Clinical policy governing medical necessity, coverage, and exclusions for orthopedic casts, braces, splints and related DME for Aetna members and providers.
Policy Summary
PayerAetna
PolicyOrthopedic Casts, Braces and Splints
Policy CodePolicy 0009
Change TypeNon-substantive / no material change noted
Effective DateN/A
Next Review DateN/A
Key ActionDocument product manufacturer/part number and obtain PDAC coding verification for specified HCPCS-coded orthoses prior to billing.
No material clinical or coverage changes in this revision.
0009Policy number
6 monthsOrthosis supply window
6 weeksPost-op back brace window
MultipleDevice categories covered
1/limb/yrDurable orthotics limit
52References
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Coverage Criteria for Orthotics, Braces, Splints and Related Devices
inv-01: Orthosis / Prosthesis general medical necessity
Orthosis (Orthopedic Brace) and/or Prosthesis — Covered when ALL of the following are met
Orthosis/Prosthesis general criteria: 1. Care is prescribed by a physician, nurse practitioner, podiatrist or other health professional qualified to prescribe orthotics and/or prosthetics according to State law; 2. The orthosis or prosthesis will significantly improve or restore physical functions required for mobility-related activities of daily living (MRADLs); 3. The participating physician or licensed health care practitioner has determined, after physical examination, that the device will allow performance of ADLs; 4. The orthosis or prosthesis is provided within six months of the date of prescription; 5. Orthotic or prosthetic services are performed by a duly licensed and/or certified provider; 6. Services are of complexity and nature to require provision by a licensed or certified professional orthotist/prosthetist or under their direct supervision; 7. The certified professional orthotist or prosthetist is in good standing with ABC or BOC or is state-licensed where required.
inv-02: Back braces (lumbar, LS, TLS, post-operative)
Back braces — Covered when ANY of the following indications are present (OR logic between listed indications)
Back brace indications: To facilitate healing following an injury to the spine or related soft tissues; OR to facilitate healing following a surgical procedure on the spine or related soft tissue; OR to reduce pain by restricting trunk mobility; OR to support weak spinal muscles and/or a deformed spine.
Supportive lumbar orthoses are experimental for other indications.
Custom-fitted/back brace escalation: A custom-fitted back brace (prefabricated brace modified to fit a specific member) is medically necessary when there is failure, contraindication, or intolerance to an unmodified prefabricated back brace; a custom-fitted brace is considered medically necessary as the initial brace after surgical stabilization of the spine following traumatic injury; a custom-fabricated back brace is necessary if there is failure, contraindication, or intolerance to a custom-fitted brace.
Custom-fitted and custom-fabricated back braces are experimental when criteria are not met.
Post-operative back braces are medically necessary to facilitate healing when applied within 6 weeks following a surgical procedure on the spine or related soft tissue; used to immobilize the spine following laminectomy with or without fusion and metal screw fixation.within 6 weeks
Considered part of surgical protocol for certain back operations.
inv-03: Knee braces and unloader braces
Knee braces — Covered when specific condition-based criteria are met (mix of AND/OR logic as specified below)
Prefabricated knee orthosis with joints or with condylar pads and joints (with or without patellar control) is medically necessary for ambulatory members with knee weakness or deformity who require stabilization.
Locking knee joint indication: Prefabricated knee orthosis with a locking knee joint or a rigid knee orthosis is medically necessary for members with flexion or extension contractures with movement on passive ROM testing of at least 10 degrees (nonfixed contracture).>=10 degrees passive ROM
Post-injury/post-op knee immobilizer: Prefabricated knee immobilizer without joints, or knee orthosis with adjustable joints providing medial-lateral and rotational control, is medically necessary when the member had a recent knee injury or surgical procedure within 6 weeks prior to brace application requiring ROM limitations.within 6 weeks
When used for this indication the brace is integral to surgical or fracture care (rehabilitative brace).
inv-04: Unloader (osteoarthritis) braces
Unloader (osteoarthritis) braces — Covered when ALL of the following are met
Unloader brace criteria: Prefabricated unloader braces are medically necessary as an alternative to surgery for members with severe symptomatic osteoarthritis of the knee or patellofemoral osteoarthritis who have pain that has failed to respond to medical therapy and to knee bracing with a neoprene sleeve, who have progressive limitation in activities of daily living, and who do not have any of the following exclusions: arthritis other than osteoarthritis; recent knee operation within previous 6 weeks; diseases precluding brace use (e.g., skin disease, peripheral vascular disease, varicose veins); inability to apply the brace; paresis precluding ambulation; severe cardiovascular deficit; or symptomatic disease of the hip, ankle or foot.
Custom-fabricated unloader brace necessary only if prefabricated criteria met plus custom-made brace criteria.
inv-05: Casts, cervical, pediatric hip, splints and immobilizers
Other braces, splints, casts and DME — Covered when used for specified conditions or indications
Cast-braces: Comfort (non-therapeutic) cast-braces and functional cast-braces are medically necessary after a fracture or surgery (examples: Cam Walker; PTB cast brace); functional cast-braces are integral to fracture treatment.
Cervical braces: Cervical (neck) braces are medically necessary DME for members with neck injury and other appropriate indications (e.g., torticollis); foam cervical collars are not covered as non-durable.
Childhood hip braces: Specialized hip braces (e.g., Pavlik harness, Tubingen splint) are medically necessary for children with hip disorders to stabilize/correct abduction and for infants with hip dislocation or persistently dislocatable/subluxatable hips.
Childhood hip braces are integral to management of pediatric hip disorders.
Miscellaneous splints and immobilizers:
inv-06: Covered with criteria (device and diagnosis matching)
Covered when selection criteria are met for the device type and associated ICD-10 diagnosis codes.
General coverage logic: Device-specific HCPCS codes are covered only if the applicable selection criteria for medical necessity are met and matched to listed ICD-10 diagnoses or clinical indications.
Selection criteria and detailed medical necessity examples are referenced for custom devices (knee, spinal, cast-braces).
inv-07: General coverage criteria
Covered when documentation supports device type and necessity
General orthosis coverage logic: Prefabricated (off-the-shelf) orthoses are appropriate when minimal self-adjustment suffices; custom-fitted or custom-fabricated devices require documentation of medical necessity and justification why prefabricated devices are inadequate.
Detailed documentation is required in supplier records for custom fabricated devices.
inv-08: Knee orthosis coverage and indications
Knee orthoses classification and intended use
Knee orthoses types: Defines knee orthoses types including prefabricated elastic knee orthoses with joints; prefabricated with condylar pads and joints; canvas longitudinal immobilizer; locking positional orthoses; rigid prefabricated positional with adjustable joints; rigid without joints; custom-fabricated derotation/ACL orthoses; single upright and double upright designs; Swedish-type; and custom-fabricated modifications of supracondylar prosthetic sockets. Each type is described with intended patient functional status (ambulatory vs nonambulatory) and typical indications such as rehabilitation, immobilization, rotational control, or osteoarthritis compartment unloading.
Increments of adjustability for joints must be at least 15 degrees.
inv-09: Medical necessity and device selection
Covered when statements and device selection rules apply
Functional knee brace medical necessity: Functional knee braces are medically necessary if needed for activities of daily living (standing, walking, climbing stairs) and are worn throughout the day; functional braces used primarily for sports are not medically necessary.
Custom-made vs custom-fitted: Custom-made functional knee braces are reserved for patients who cannot be fit with custom-fitted prefabricated braces because of deformity, disproportionate limb size, or minimal muscle mass; custom-fitted prefabricated braces are preferred for economic reasons and are not shown to be inferior.
Rehabilitative brace use: Rehabilitative knee braces are used as alternatives to knee immobilizers immediately after surgery or injury to control motion and protect the knee during rehabilitation; they do not require precise fitting and are not custom-made.
Adjustable to accommodate edema/atrophy.
inv-10: Evidence summaries by device and indication
Summaries of clinical evidence and guideline positions for device use by indication
S3 brace evidence: No published clinical outcome studies were identified for the S3 (Spine and Scapula Stabilizing) brace; evidence limited to unpublished abstracts examining shoulder kinematics.
Clinical efficacy not established.
Tri-compartment/KEA knee brace: Biomechanical testing of tri-compartment unloader (TCU) and KEA braces showed assistive moments equivalent to reducing body weight by 45 lbs (TCU) and 6 lbs (KEA); authors noted biomechanical promise but clinical outcomes are not established.
Design/engineering evidence; clinical efficacy not established.
Bracing for patellofemoral osteoarthritis: Randomized trials (Merino et al., n=38; Yamamoto et al., n=57) reported improvements in pain and function with patellofemoral bracing versus neoprene sleeve or control; UpToDate supports bracing/taping if patients cannot participate in or progress with exercise.
Supports bracing when conservative care insufficient or not tolerated.
The policy excludes several items that do not meet Aetna’s definition of durable medical equipment or are considered experimental/investigational. Prophylactic lumbar supports (inflatable or elastic) and protective body socks are not covered because they are not durable and are not primarily used to treat disease or restore function. Elastic support garments (e.g., neoprene or spandex) are similarly excluded. Devices explicitly listed as experimental, investigational, or unproven (see device examples elsewhere in the policy) may be denied coverage.
Prefabricated unloader (osteoarthritis) braces are only covered for severe symptomatic osteoarthritis or patellofemoral osteoarthritis meeting the policy criteria. Unloader braces are not covered for arthritis types other than osteoarthritis, and are excluded if the member had a recent knee operation within the previous 6 weeks. Additional exclusion conditions include diseases or impairments that preclude brace use (for example, skin disease or peripheral vascular disease), inability to apply the brace, paresis precluding ambulation, severe cardiovascular deficit, or symptomatic disease of the hip/ankle/foot. Functional knee braces used primarily for sports activity are considered not medically necessary.
The policy identifies specific HCPCS codes that require PDAC verification or are not covered for the indications in this CPB. Codes requiring PDAC coding verification include L1832, L1833, L1845, L1851, L1852. Examples of HCPCS codes listed as not covered for the CPB indications include L0210 and L0220; other proprietary or named braces (for example, Levitation 2 Bionic Knee Brace and Cymedica QB1) are noted in the policy as experimental/unproven for the listed indications and therefore not covered under those indications.
The policy lists examples of ICD-10 and HCPCS codes that are not covered for the CPB indications. Examples of HCPCS codes not covered include L0120 (foam cervical collar) and A4467 (belt/strap/sleeve/garment) when billed for excluded uses. Certain ICD-10 ranges for hip conditions (for example, codes for hip impingement and specific joint derangements) are identified as not covered for indications in this CPB; consult the coding sections for the full lists and code ranges.
Prophylactic knee braces and other protective gear (helmets, pads, goggles, etc.) are classified as safety items and are not covered under Aetna policies. Providers should verify member benefits because plan-specific benefit descriptions may affect coverage of these items.
For the S3 brace (Spine and Scapula Stabilizing brace), the policy notes that evidence is limited to unpublished abstracts examining shoulder kinematics and that there are no published clinical outcome studies demonstrating clinical benefit; as a result, clinical efficacy for the S3 brace has not been established.
Custom-fitted and custom-fabricated braces are covered only when the policy’s specific escalation criteria are met. A custom-fitted back brace is considered medically necessary only after failure, contraindication, or intolerance to an unmodified prefabricated back brace (or as initial brace after surgical stabilization when specified). A custom-fabricated back or knee brace requires documentation that prefabricated or custom-fitted devices are inadequate; when these criteria are not met, custom-fitted or custom-fabricated braces are considered experimental, investigational, or unproven. In addition, PDAC-verified product documentation (manufacturer/part number) is required for certain HCPCS-coded products before billing.
Take-home non-durable supplies (for example, extra bandages or cervical pillows) are not covered when provided as take-home items; such items may be covered only when charged by a hospital, surgical center, home health agency, or doctor and used in connection with treatment at the time supplied. Certain elastic support garments billed under A4467 are not covered for the policy’s listed indications.
The coding sections identify HCPCS codes that are not covered for the CPB indications (for example, certain cervical collars and other device codes). When these HCPCS codes are billed for excluded indications, they are considered not covered under this CPB and may be denied by the payer.
Functional knee braces are considered medically necessary when required for activities of daily living and worn throughout the day. Conversely, functional knee braces used primarily to enable or protect participation in sports are considered not medically necessary because sports participation is an elective activity.
Clinical evidence has not shown that custom-made functional knee braces are superior to custom-fitted prefabricated functional knee braces. For most patients, prefabricated or custom-fitted prefabricated braces are preferred for economic reasons; custom-made braces are reserved for patients who cannot be adequately fitted with custom-fitted prefabricated devices (for example, substantial deformity).
Novel designs such as the spring-loaded tri-compartment unloader (TCU) and knee-extension-assist (KEA) braces show biomechanical promise in bench and engineering testing, but the policy highlights that clinical outcome data are lacking. The TCU/KEA work demonstrates assistive moments and unloading potential, yet routine coverage is not supported by established clinical efficacy at this time; similarly, S3 brace clinical outcome evidence is absent.
Coding — HCPCS, CPT and ICD-10 Guidance
Prefabricated knee orthoses (covered if selection criteria met)HCPCSCovered
L1810
Knee orthosis, elastic with joints, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise.
L1812
Knee orthosis, elastic with joints, prefabricated, off-the-shelf.
L1820
Knee orthosis, elastic with condylar pads and joints, with or without patellar control, prefabricated, includes fitting and adjustment.
Custom-fabricated knee orthoses (covered if selection criteria met)HCPCSCovered
L1834
Knee orthosis (KO); without knee joint, rigid, custom fabricated.
L1840
Knee orthosis, rigid, without joint(s), includes soft interface material, includes fitting and adjustment, derotation, medial-lateral, anterior cruciate ligament, custom fabricated.
L1844
Knee orthosis, single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment; custom fabricated.
L1846
Knee orthosis, double upright, thigh and calf, with adjustable flexion and extension joint, (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, custom fabricated.
L1860
Knee orthosis, modification of supracondylar prosthetic socket, custom fabricated (SK).
Add-on codes for prefabricated orthoses (eligible for separate reimbursement)HCPCS
L2397
Addition to lower extremity orthosis, suspension sleeve.
L2795
Addition to lower extremity orthosis, knee control, full kneecap.
L2810
Addition to lower extremity orthosis, knee control, condylar pad.
Add-on codes eligible for separate reimbursement — prefabricated (summary)HCPCS
L1810
None.
L1812
None.
L1820
None.
L1830
None.
L1831
None.
L1832
L2397, L2795, L2810.
L1833
L2397, L2795, L2810.
L1836
None.
L1843
L2385, L2395, L2397.
L1845
L2385, L2395, L2397, L2795.
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Provider Responsibilities, Prior Authorization and Documentation
Prior Authorization
Spinal orthoses prior authorization and PDAC verification
Certain spinal orthotic HCPCS-coded products may require prior authorization and PDAC coding verification before billing. Providers should confirm PDAC coding and record the manufacturer, model/part number or part name in the member’s medical record.
Prior authorization may be required for spinal orthoses (e.g., many L‑series HCPCS codes) — verify prior auth requirements with payer prior to dispensing.
Document manufacturer and part number/part name in medical records for HCPCS-coded orthoses; obtain PDAC verification when applicable.
Documentation Required
Provider qualifications and licensure
Care must be prescribed by a qualified prescriber and provided by duly licensed and/or certified providers within the scope of practice for the jurisdiction. Certified orthotists/prosthetists should be in good standing with ABC, BOC, or hold required state licensure where applicable.
Definitions and Device Terminology
Orthosis / Prosthesis medical necessity criteria — definition and required conditions
DefinitionAn orthosis (orthopedic brace) and/or prosthesis is medically necessary when all of the following are met: prescribed by a qualified professional; will significantly improve or restore mobility-related ADLs; determined by participating physician or licensed practitioner after physical exam to allow performance of ADLs; provided within six months of prescription; services performed by a duly licensed/certified orthotic/prosthetic provider; services require licensed or certified orthotist/prosthetist or under their direct supervision; certified orthotist/prosthetist in good standing with ABC or BOC or licensed by state where required.
Prescriber and supplier requirementsCare must be prescribed by a physician, NP, podiatrist or other qualified professional and provided by licensed/certified orthotic/prosthetic personnel as applicable.
TimingDevice must be provided within six months of the date of prescription.
Non-durable items — examples and coverage notes
Definition
Background and Evidence Context
inv-10: Evidence summaries by device and indication
Clinical evidence and guideline positions (cross-referenced in Coverage Criteria)
S3 brace evidence (cross-listed): No published clinical outcome studies were identified for the S3 brace; evidence limited to unpublished abstracts examining kinematics.
Clinical efficacy not established.
TCU/KEA brace engineering evidence (cross-listed): Biomechanical testing suggests TCU and KEA braces may provide clinically meaningful unloading (TCU ~45 lb equivalent; KEA ~6 lb); clinical outcome evidence is lacking.
Further clinical study required.
Patellofemoral OA bracing evidence (cross-listed): Randomized trials (Merino et al.; Yamamoto et al.) demonstrated improved pain/function with patellofemoral bracing versus neoprene sleeve or control; guideline sources support bracing when exercise-based rehabilitation is not feasible or ineffective.
Policy Revision History
03/15/2024policy_reviewLatest
Policy last reviewed on 03/15/2024; documentation reflects current review date.
07/21/1995effective_date
Policy originally became effective on 07/21/1995.
01/09/2025next_review_scheduled
Next scheduled policy review is 01/09/2025.
Policy Summary
PayerAetna
PolicyOrthopedic Casts, Braces and Splints
Policy CodePolicy 0009
Change TypeNon-substantive / no material change noted
Effective DateN/A
Next Review DateN/A
Key ActionDocument product manufacturer/part number and obtain PDAC coding verification for specified HCPCS-coded orthoses prior to billing.
Knee instability indications: Prefabricated knee orthosis with double uprights and adjustable joints is medically necessary for ambulatory members with knee instability due to neurologic disorders OR immunologic conditions OR knee arthritis OR dislocations/subluxations OR congenital disorders OR ligament/cartilage/meniscal disruptions OR muscle/tendon strains OR disorders of knee prostheses/internal fixation OR failed TKA OR knee fractures; AND instability must be documented on exam with objective description of joint laxity.
Custom-made knee brace escalation: Custom-made (custom-fabricated) functional braces are medically necessary if the member meets criteria for a prefabricated brace but cannot be fitted with a custom-fitted prefabricated brace (e.g., deformity, disproportionate thigh/calf, minimal muscle mass); custom-fabricated orthoses are not medically necessary for nonambulatory knee contractures.
Custom-fabricated orthoses are experimental when criteria not met.
Additional knee provisions: Heavy-duty knee joints are medically necessary for persons >300 lbs; knee braces composed of high-strength lightweight material are medically necessary for persons >250 lbs; up to two removable soft interfaces are allowed per year beginning one year after initial issuance; concentric adjustable torsion mechanisms for knee extension assist are medically necessary when required in the absence of co-existing joint contracture.
Prefabricated volar wrist brace for carpal tunnel, acromio-clavicular splint, carpal tunnel splints, clavicle figure-8 splint, Denis Browne splint, Dynasplints (per CPB 0405), finger splints, shoulder immobilizer, and splints for moderate-to-severe acute/subacute wrist sprains are medically necessary as listed.
MCL injury guidance:
First-degree MCL sprains require only a knee immobilizer; second-degree MCL sprains may use a custom-fitted prefabricated functional brace after rehabilitative brace removal for up to 8 weeks; isolated third-degree MCL injuries may be treated with a hinged rehabilitative brace for first 6 weeks and a functional brace for 4–6 months thereafter (isolated = ACL/PCL intact by MRI and testing).
Hip brace for labral tear/FAIS: An exploratory randomized trial (Eyles et al.) showed between-group differences favoring a hip brace for hip-related QOL and several outcomes, but sample size was small and confidence intervals wide; further investigation recommended.
Promising but preliminary evidence.
Abduction splints for DDH: Pavlik harness and Tubingen splint are effective options for infants <6 months with DDH; Tubingen may be preferred for some older infants but has higher failure in unstable hips; UpToDate recommends abduction splint for infants <6 months with dislocatable/dislocated hips (Grade 1B).
Device selection depends on age and severity (Graf grade); close monitoring required for unstable hips.
Wrist bracing/splinting: AAOS guideline provides strong evidence that immobilization (brace/splint/orthosis) improves patient-reported outcomes in carpal tunnel syndrome; ACOEM recommends splinting for moderate-to-severe acute/subacute wrist sprains.
Supports conservative immobilization.
Prescribing clinician: physician, nurse practitioner, podiatrist or other health professional qualified under State law to prescribe orthotics/prosthetics.
Supplier/provider: licensed or certified orthotic/prosthetic provider; services requiring specialized skill must be performed by or under direct supervision of such professionals.
Denial Risk
Experimental, investigational, or unproven devices
Devices or braces listed as experimental, investigational, or unproven are not covered. Examples include certain prefabricated knee orthoses with inflatable air chambers, prophylactic knee braces, and specific named devices when evidence of efficacy is lacking.
Prophylactic and protective items (e.g., prophylactic knee braces) generally considered not covered.
Specific devices noted as experimental/unproven (e.g., inflatable air bladder knees, named devices listed) are excluded from coverage.
Note
Clinical Policy Bulletin — scope and limitations
Clinical Policy Bulletins are intended to assist in administering plan benefits and constitute neither an offer of coverage nor medical advice. They provide a partial, general description of plan benefits and do not replace plan contract language.
Treating providers are responsible for medical advice and treatment; CPBs may be updated and are subject to change.
Coverage decisions remain subject to administrative or contract terms and plan-specific provisions.
Documentation Required
Benefit plan verification for non‑durable supplies
Verify member benefit plan terms for coverage of non-durable supplies and items provided by hospitals, surgical centers, home health agencies or physicians. Charges for take‑home non‑durable supplies are generally not covered unless the benefit plan specifies otherwise.
Check the member’s benefit plan description for specifics on payment for non‑durable items (e.g., arm slings, Ace bandages, foam cervical collars) and take‑home supplies.
Documentation Required
Spinal orthosis fabrication documentation
Custom-fabricated and molded-to-member spinal orthoses require specific fabrication documentation. For custom fabrication, supplier records must detail the substantial work performed (vacuum forming, molding, sewing, etc.). For molded-to-member models, document impressions, positive models, detailed measurements, or CAD/CAM digital imaging used to create the positive model.
Document the impression or positive model and steps used to fabricate the spinal orthosis.
For prefabricated versus custom-fabricated determination, document the clinical reason custom fabrication was necessary rather than a prefabricated orthosis.
Billing Rule
Coding, lifetime and add‑on documentation
Maintain coding and lifetime documentation for orthoses. Reasonable useful lifetimes and add-on/component codes must be documented to support replacement or separate reimbursement. Follow published useful lifetimes (e.g., Noridian tables) and list add-on codes when used.
Document reasonable useful lifetime for the device (e.g., prefabricated knee orthoses: K0901 = 3 years; many L‑codes listed with 1–3 year lifetimes; custom fabricated orthoses = 3 years).
When billing add-on/component HCPCS codes, document clinical necessity for the base orthosis and the addition; reference add‑on code tables as applicable.
Documentation Required
Provider responsibilities and documentation context
Treating providers are responsible for accurate medical advice, prescribing, and documentation. This CPB is a partial description of plan benefits and may be updated; providers should follow payer prior authorization processes and plan provisions when requesting coverage.
Providers must document physical examination, functional limitations (impact on ADLs/MRADLs), date of prescription (orthosis provided within 6 months), and justification for device selection.
Follow local payer prior authorization requirements — the CPB does not supersede plan benefit terms or prior authorization processes.
Step Therapy
Prior trial of prefabricated brace before custom fitting
A trial of an unmodified prefabricated (off‑the‑shelf) back brace is required before a custom‑fitted prefabricated brace will be considered medically necessary, unless there is failure, contraindication, or intolerance to an unmodified prefabricated brace. Document the trial and reason for escalation to custom-fitted or custom‑fabricated device.
Record dates and details of the prefabricated brace trial, clinical response, and rationale for custom fit or fabrication.
If custom-made is requested, document why a prefabricated or custom-fitted prefabricated brace cannot meet the member’s needs.
Billing Rule
Prefabricated orthoses preferred over custom when adequate
Prefabricated (off‑the‑shelf) orthoses are preferred when adequate for the clinical need. Use custom-fitted or custom‑fabricated devices only when documented clinical circumstances require them (e.g., deformity, hard-to-fit anatomy).
Document why an off‑the‑shelf device is inadequate and why a custom-fitted or custom‑fabricated device is necessary.
Custom-made functional knee braces reserved for patients who cannot be fit with custom‑fitted prefabricated braces.
Documentation Required
Bracing after conservative therapy and clinical rationale
Exercise and strengthening are foundational conservative therapy for many conditions. Bracing is reasonable when a patient cannot participate in or progress with rehabilitation due to pain or intolerance. Document conservative care tried, patient response, and rationale for bracing.
Document rehabilitation efforts (exercise/strengthening), dates, and outcomes before initiating bracing when applicable.
Functional knee braces are medically necessary when needed for ADLs and worn throughout the day; not medically necessary when used primarily for sports.
Step Therapy
Step therapy — none specified in this policy
No formal step therapy program requiring additional mandated steps is specified in this policy. Providers should follow applicable plan-specific step therapy rules if present in the member’s benefit plan.
This CPB does not impose step therapy requirements beyond prefabricated trials noted elsewhere; verify any plan‑specific step therapy with the payer.
Non-durable items are supplies that are not durable medical equipment (e.g., arm slings, Ace bandages, splints, foam cervical collars) which may be covered when charged by a hospital, surgical center, home health agency, or doctor for use at the time of treatment but not when provided as take-home supplies.
Billing noteCharges for take-home non-durable supplies (e.g., extra bandages, cervical pillows) are not covered; check benefit plan descriptions for details.
Prosthetics — definition of prosthetic devices (non-dental)
DefinitionProsthetics are devices (other than dental) that replace all or part of an internal body organ or replace function of a permanently inoperative or malfunctioning internal body organ; permanence assessed by medical record and clinician judgment.
ScopeIncludes replacement of function of internal body organs or contiguous tissue; does not require absolute permanence if medical record indicates long and indefinite duration.
ExclusionDental devices are not considered prosthetics under this definition.
Custom fabricated — definition and fabrication work description
DefinitionCustom fabricated items are individually made for a specific patient using castings, tracings, measurements, or images and involve substantial fabrication work (vacuum forming, cutting, bending, molding, sewing, drilling, finishing) prior to fitting.
Fabrication descriptionMay use basic materials (plastic, metal, leather, cloth) in uncut/unchanged forms and employ CAD-CAM technology to create positive models; fabrication includes molding over a positive model.
Billing noteThere is no separate billing if CAD-CAM technology is used to fabricate an orthosis; reimbursement is included in custom fabricated orthosis codes.
Custom fitted — definition and fitting requirements
DefinitionCustom fitted devices are prefabricated items that require substantial modification at delivery by a qualified practitioner to provide an individualized fit, beyond minimal self-adjustment.
Fitting requirementsModifications include trimming, bending, molding (with or without heat), installation of add-on components, and require expertise of a certified orthotist or equivalently trained practitioner.
Distinction from OTSCustom-fitted items differ from off-the-shelf devices by requiring substantial modification at delivery rather than minimal self-adjustment.
DefinitionOff-the-shelf (OTS) orthotics are prefabricated items that require minimal self-adjustment for appropriate use and do not require specialized expertise to fit.
CharacteristicsMay be supplied as kits; assembly or installation of basic add-on components does not change classification from OTS to custom-fitted.
FittingFitting does not require expertise of a certified orthotist or equivalently trained practitioner.
Substantial modification — definition noting requirement for certified orthotist expertise
DefinitionSubstantial modification are changes made to achieve an individualized fit that require the expertise of a certified orthotist or equivalently trained practitioner.
Who performsPerformed by a certified orthotist or individual with equivalent specialized training (physician, treating practitioner, OT, PT) in compliance with licensure requirements.
ExamplesTrimming, bending, molding beyond minimal self-adjustment; installation of add-on components that alter classification to custom fitted.
single upright knee orthosis — brief definition (KO, single upright)
DefinitionSingle upright knee orthosis (KO) is a knee orthosis with a single upright connecting rigid thigh and calf cuffs, with an adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotational control, with or without varus/valgus adjustment; must have condylar pads.
UseDesigned for ambulatory persons to provide rotational control and compartmental unloading for osteoarthritis when indicated.
FabricationMay be prefabricated or custom-fabricated.
double upright knee orthosis — brief definition
DefinitionDouble upright knee orthosis is a knee orthosis with double uprights, condylar pads, and an adjustable flexion and extension joint providing medial-lateral and rotation control; may include varus/valgus adjustment.
UseProvides medial-lateral stability via solid uprights and rotational control via anterior thigh/calf structure plus condylar pads; designed for fully ambulatory members.
FabricationMay be prefabricated or custom-fabricated.
custom-fitted prefabricated brace — definition
DefinitionCustom-fitted prefabricated brace is a prefabricated item that requires measurements and sizing (and typically orthotist assistance) for fitting and adjustment but does not require an initial impression of the knee.
FittingRequires orthotist assistance for adjustment to correct size; uses measurements and sizing chart rather than an initial impression.
Clinical rolePreferred for most patients; custom-made braces reserved for those hard to fit despite custom-fitted options.
DefinitionCustom-made knee brace (custom-fabricated or made-to-order) requires an initial impression of the knee for fitting and is individually fabricated for the patient.
IndicationReserved for patients who cannot be fitted with custom-fitted prefabricated braces due to deformity, disproportionate limb dimensions, or other fitting barriers.
DocumentationSupplier records must document detailed justification why custom-made device is necessary rather than prefabricated alternatives.
custom fabricated spinal orthosis — definition
DefinitionCustom fabricated spinal orthosis is individually made for a specific member using basic materials and involves substantial fabrication work (vacuum forming, cutting, bending, molding, sewing) prior to fitting.
Molded-to-member distinctionMay be molded-to-member-model (impression or CAD-CAM digital imaging) with creation of a positive model for final fabrication.
PurposeDesigned to restrict spinal motion using three-point pressure systems appropriate to the HCPCS-defined posterior/anterior coverage requirements.
DefinitionMolded-to-member-model spinal orthosis is a custom fabricated orthosis created from either an impression of the body part, detailed torso measurements with model modification, or a CAD-CAM digital image directing carving of a positive model.
ProcessInvolves taking an impression or digital capture, constructing/modifying a positive model, and fabricating the orthosis over that model.
Billing noteCAD-CAM without creation of a positive model may still be considered custom fitted if substantial modification at delivery is required.
S3 brace — definition and note
DefinitionS3 brace (Spine and Scapula Stabilizing brace) is a vest-type device designed to help restore normal shoulder kinematics using Velcro strapping, proprioceptive padding, and mesh vest to provide biofeedback and postural support.
Evidence noteEvidence limited to unpublished abstracts examining shoulder kinematics; no published clinical outcome studies identified.
Manufacturer claimManufacturer describes proprioceptive biofeedback and potential to emphasize proper shoulder muscular mechanics.
DefinitionTCU knee brace / KEA brace: Tri-compartment unloader (TCU) knee brace is a spring-loaded design intended to unload all three knee compartments and provide knee extension assist (KEA) by absorbing body weight and aiding knee extension moment.
Biomechanical findingTCU and KEA braces delivered maximum assistive moments equivalent to reducing body weight by 45 lbs (TCU) and 6 lbs (KEA) in biomechanical testing.
Clinical evidenceAuthors concluded the design shows biomechanical promise but clinical outcomes for routine coverage are not established.
Abduction splint — definition and examples (Pavlik harness, Tubingen splint)
DefinitionAbduction splint: devices (e.g., Pavlik harness, Tubingen splint) used to maintain hip abduction and flexion for treatment of developmental dysplasia of the hip (DDH) in infants.
Clinical examplesPavlik harness and Tubingen hip flexion splint are effective for infants younger than 6 months; selection depends on age, severity (Graf grade), and laterality.
Outcomes noteStudies report differing failure rates between devices (example: Pavlik failure 12% vs Tubingen 33% in one study); close monitoring required for certain severe or bilateral cases.
Supports selective use as alternative or adjunct to conservative care.
Hip brace exploratory evidence (cross-listed): Exploratory randomized trial (Eyles et al.) showed favorable between-group differences for hip brace in FAIS/labral tear populations but small sample size limits conclusions.
Evidence preliminary; further trials recommended.
Abduction splints for DDH (cross-listed): Pavlik harness and Tubingen splint effective for infants <6 months with DDH; Tubingen may have higher failure in unstable hips and requires close monitoring.
UpToDate recommendation Grade 1B for infants <6 months.
Wrist splinting evidence (cross-listed): AAOS guideline: immobilization improves outcomes in carpal tunnel syndrome; ACOEM recommends splinting for moderate-to-severe wrist sprains.