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    v1.0.31
    OpenPayerBilling CodesOrthotic Procedures and servicesHCPCS hcpcs-l2010-knee-ankle-foot-orthosis-single-upright-free-ankle-custom
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    HCPCS L2010: Knee-Ankle-Foot Orthosis, Single Upright, Free Ankle

    HCPCS Level II code L2010 describes a custom-fabricated knee-ankle-foot orthosis (KAFO) with a single upright, free ankle, solid stirrup, and thigh and calf bands/cuffs (single bar 'ak' orthosis) provided without a knee joint; the service is prosthetic/orthotic device fabrication and fitting typically delivered in an outpatient prosthetics/orthotics clinic or orthotic specialty center.

    For related coverage guidance, see recent payer policy updates: Hospital Beds Corporate Medical Policy, Continuous Passive Motion Devices with Remote Monitoring or Adaptive Capabilities, Bone Growth Stimulators.

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    Clinical & Coding Specifications

    Clinical Context

    A 68-year-old patient with post-stroke hemiparesis presents to an orthotics clinic with persistent ankle instability and a varus-adducted foot causing frequent trips and gait asymmetry. The orthotist evaluates the patient in an outpatient orthotics/prosthetics facility. A prescription from the treating physiatrist requests a custom-fabricated knee ankle foot orthosis to provide medial-lateral support through a single upright with a free ankle and solid stirrup, and to be retained by thigh and calf bands. The orthotist performs a focused assessment including limb measurements, casting or 3D scanning, and a gait assessment. A custom-fabricated device described by L2010 is produced to fit the patient’s anatomy, fabricated in the orthotics laboratory, and delivered in a follow-up visit for fitting and alignment adjustments. Subsequent visits include patient education on donning/doffing, monitoring skin integrity, and documentation of functional gait improvement. Typical sites of service include outpatient orthotics/prosthetics clinics, hospital-based orthotics departments, and private rehabilitation clinics. The service type is custom fabrication and provision of a lower-extremity orthosis (Knee-Ankle-Foot Orthosis) with single upright and thigh/calf bands for ambulatory assistance and joint control.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    97760Orthotic management and training; initial encounter (includes assessment and fitting)Often performed by physical or occupational therapy for patient training after delivery of the L2010 custom KFO
    97763Orthotic/prosthetic management and training, subsequent encounterUsed for follow-up orthotic adjustments and continued training after initial fitting of L2010
    99213Office or other outpatient visit for the evaluation and management of an established patientCommonly billed by the prescribing physiatrist or orthopedist for follow-up evaluation related to orthosis effectiveness and wound/skin checks
    20610Arthrocentesis, aspiration and/or injection; major joint or bursa (e.g., knee)May be performed prior to orthotic fitting when intra-articular injection is part of managing pain that affects orthotic tolerance
    99070Supplies and materials (except spectacle lenses), provided by the physician over and above those usually included with the office visitUsed when additional supplies for orthosis care are provided during clinic visits

    Related Modifiers

    7 rows

    ModifierDescriptionWhen to Use
    22Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
    52Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
    53Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
    56Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
    78CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
    80CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    175M00000X
    111NX0100X
    111N00000X
    322D00000X
    2865M2000X
    1835X0200X
    2278C0205X
    364SH1100X

    Related Payer Policy Updates

    Specialty: Durable Medical Equipment (DME)1 / 3

    10 rows

    PolicyPayerEffective Date
    Hospital Beds Corporate Medical Policybcbsvermont2027-01-01
    Continuous Passive Motion Devices with Remote Monitoring or Adaptive CapabilitiesBlue Cross Blue Shield - Rhode Island2026-12-01
    Bone Growth StimulatorsMass General Brigham Health Plan2026-12-01
    Prior Authorization for Durable Medical Equipment (DME)Blue Cross Blue Shield - Rhode Island2026-12-01
    Patient Liftsuniverahealthcare2026-11-16
    Medical Car SeatsCareSource2026-11-01
    Non-Invasive Home Mechanical Ventilation (E0466)CareSource2026-11-01
    Digestive Enzyme Cartridgeshusky_health2026-11-01
    Hearing Aids and Assistive Listening Devices for Children Enrolled in Birth-to-Threehusky_health2026-11-01
    Home Non-Invasive Positive Pressure Ventilation (NIPPV) Devices for Respiratory Insufficiency and Failureexcellus_health_plan_inc2026-10-15

    Related Codes

    HCPCS-L0112-CRANIAL-CERVICAL-ORTHOSIS-CONGENITAL-TORTICOLLIS-CUSTOM

    HCPCS L0112: Cranial Cervical Orthosis, Congenital Torticollis Type

    HCPCS-L0113-CRANIAL-CERVICAL-ORTHOSIS-TORTICOLLIS

    HCPCS Level II L0113: Prefabricated Cranial Cervical Orthosis for Torticollis

    HCPCS-L0130-CERVICAL-FLEXIBLE-THERMOPLASTIC-COLLAR-MOLDED-TO-PATIENT

    HCPCS Level II L0130: Cervical Flexible Thermoplastic Collar, Molded to Patient

    HCPCS-L0140-CERVICAL-SEMI-RIGID-ADJUSTABLE-PLASTIC-COLLAR

    HCPCS Level II L0140: Cervical Semi-Rigid Adjustable Plastic Collar

    HCPCS-L0150-CERVICAL-SEMI-RIGID-ADJUSTABLE-CHIN-CUP

    HCPCS Level II L0150: Cervical Semi-Rigid Adjustable Chin Cup

    HCPCS-L0160-CERVICAL-SEMI-RIGID-OCCIPITAL-MANDIBULAR-SUPPORT

    HCPCS Level II L0160: Cervical Semi-Rigid Occipital/Mandibular Support

    HCPCS-L0170-CERVICAL-COLLAR-MOLDED-TO-PATIENT-MODEL

    HCPCS Level II L0170: Cervical Collar, Custom-Molded

    HCPCS-L0172-CERVICAL-COLLAR-SEMI-RIGID-THERMOPLASTIC-FOAM

    HCPCS L0172: Cervical Collar, Semi-Rigid Prefabricated

    HCPCS-L0174-CERVICAL-COLLAR-SEMI-RIGID-THORACIC-EXTENSION

    HCPCS L0174: Cervical Collar, Semi-Rigid Thermoplastic with Thoracic Extension

    HCPCS-L0180-CERVICAL-MULTIPLE-POST-COLLAR-OCCIPITAL-MANDIBULAR-ADJUSTABLE

    HCPCS Level II L0180: Cervical Orthosis with Occipital/Mandibular Supports

    Showing 1–10 of 466

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    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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