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    v1.0.28
    OpenPayerBilling CodesOrthotic Procedures and servicesHCPCS hcpcs-l3470-heel-thomas-extended-to-ball-orthotic
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    HCPCS Level II L3470: Heel, Thomas Extended to Ball

    HCPCS Level II code L3470 describes a prefabricated or off-the-shelf heel orthotic described as “heel, thomas extended to ball,” used to provide structural support and pressure redistribution from the heel to the metatarsal heads; service type is orthotic device provision and fitting, and the typical site of service is outpatient clinics, durable medical equipment suppliers, or prosthetics/orthotics offices where fitting and adjustment occur.

    For related coverage guidance, see recent payer policy updates: Interferential Stimulation Devices (for home use), Durable Medical Equipment (DME): Tumor Treating Fields (Alternating Electric Field Therapy) Medical Guideline, Durable Medical Equipment (DME): Bone Growth Stimulators Medical Guideline.

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    Clinical & Coding Specifications

    Clinical Context

    A patient presents to a podiatry clinic with chronic posterior heel pain, abnormal rearfoot biomechanics, or a structural deformity requiring a modified heel orthosis. The billing code L3470 describes a heel component (Thomas extended to ball) used as part of a custom or prefabricated foot orthosis to provide extended medial/lateral support from the heel to the metatarsal heads. Typical patients include adults with posterior tibial tendon dysfunction, rigid pes planus with forefoot pain, Achilles tendinopathy with altered load distribution, or post‑operative rehabilitation after hindfoot procedures.

    Workflow: The patient undergoes clinical evaluation by a podiatrist or orthotist including history, gait and deformity assessment, and weightbearing examination. If an orthotic device is indicated, the clinician documents functional limitations, treatment rationale, and measurements or casts. The heel component L3470 is selected and fabricated or assembled to extend support to the ball of the foot. The device is fitted, adjustments are made, and follow‑up is scheduled to document symptom response and any modifications. Medical necessity documentation links the ICD‑10 diagnosis to conservative care failure, functional impairment, or post‑operative needs.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99213Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutesCommon outpatient visit code for initial evaluation and documentation of need for an orthotic component like L3470.
    97760Orthotic management and training, initial orthosisUsed when the patient receives fitting, training, and adjustments for a lower‑extremity orthosis incorporating the L3470 heel component.
    99456Work related or medical disability examination services (impairment evaluation), per reportUsed when objective impairment assessment is performed to justify orthotic provision in occupational or disability contexts.
    99070Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit or procedureUsed to report additional non‑standard materials associated with orthotic fabrication when payor requires separate reporting.
    97035Ultrasound therapy, each 15 minutesAdjunctive therapy code often used in the conservative management plan preceding or alongside orthotic provision.

    Related Modifiers

    9 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…
    54Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…
    55Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
    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…
    82Modifier 82 is appended to a surgical CPT code to indicate that an attending physician acted as an assistant because a qualified resident surgeon was unavailable. In teaching hospitals it documents…- When to use: Append modifier 82 in teaching-hospital settings to indicate a physician served as an assistant surgeon because a qualified resident surgeon was unavailable (includes situations where…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    207K00000XAllergy & Immunology PhysicianAn allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Select…
    208800000XUrology PhysicianA urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has compreh…
    363L00000XNurse Practitioner(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision mak…
    253J00000XFoster Care AgencyA Foster Care Agency is an agency that provides foster care as defined in the Code of Federal Regulations (CFR) as "24-hour substitute care for childr…
    101YP1600XPastoral CounselorBehavioral Health & Social Service Providers · Counselor
    1223G0001XGeneral Practice DentistryA general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, manag…
    225CA2500XAssistive Technology Supplier Rehabilitation CounselorRespiratory, Developmental, Rehabilitative and Restorative Service Providers · Rehabilitation Counselor
    261QC0050XCritical Access Hospital Clinic/CenterAn outpatient entity, facility, or distinct part of a facility within or affiliated with a Critical Access Hospital that provides access to primary ca…

    Related Payer Policy Updates

    Specialty: Durable Medical Equipment (DME)1 / 2

    3 rows

    PolicyPayerEffective Date
    Interferential Stimulation Devices (for home use)Moda Health2026-10-01
    Durable Medical Equipment (DME): Tumor Treating Fields (Alternating Electric Field Therapy) Medical GuidelineWPS Health Insurance2026-10-01
    Durable Medical Equipment (DME): Bone Growth Stimulators Medical GuidelineWPS Health Insurance2026-10-01

    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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