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    v1.0.28
    OpenPayerBilling CodesOrthotic Procedures and servicesHCPCS hcpcs-l4386-prefabricated-walking-boot-customized-fit
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    HCPCS L4386: Prefabricated Walking Boot, Customized Fit

    HCPCS Level II code L4386 describes a prefabricated, non-pneumatic walking boot (with or without joints and interface material) that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient; the service is an orthotic device provision for lower extremity immobilization or support, typically provided in outpatient clinics, orthotics/prosthetics offices, durable medical equipment suppliers, or hospital outpatient departments and documented as a device fitting and delivery.

    For related coverage guidance, see recent payer policy updates: Interferential Stimulation Devices (for home use), Prior Authorization for Durable Medical Equipment (DME), Breast Pumps.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A typical patient is a 45-year-old recreational runner presenting to an orthopedic or podiatry clinic with acute midfoot sprain after an inversion injury. The clinician evaluates the patient, documents history and exam, and orders weight-bearing or non–weight-bearing radiographs to exclude fracture. After diagnosis of a soft-tissue injury (sprain) or stable, non-displaced foot/ankle fracture, the clinician prescribes a prefabricated, non-pneumatic walking boot that will be trimmed or otherwise customized by a certified orthotist or trained medical assistant to fit the patient. The DME supplier performs fitting and brief patient education on boot wear, ambulation, skin checks, and activity restrictions. Follow-up occurs in 1–2 weeks to assess wound/skin integrity and fit; replacement, adjustments, or interval weaning to supportive footwear occur over 4–8 weeks depending on healing. Typical sites of service include outpatient orthopedic clinics, urgent care centers, emergency departments, and durable medical equipment (DME) supplier facilities where the device is dispensed and customized.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99213Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutesCommonly used for the outpatient clinical evaluation, diagnosis, and prescription of a walking boot.
    99070Supplies and materials (eg, DME) provided directly by the physician over and above those usually included with the office visitMay be used when a physician practice supplies the walking boot directly to the patient (payer rules vary).
    99080Special reports such as insurance forms, more than the usualUsed when completing detailed prior authorization or medical necessity documentation for DME coverage.
    97535Self-care/home management training (eg, activities of daily living)May be billed by therapists when providing gait training and instruction related to ambulation in a walking boot.
    97760Orthotic management and training, upper or lower extremity, initial encounterUsed by orthotists/therapists for device fitting and patient training when applicable.

    Related Modifiers

    5 rows

    ModifierDescriptionWhen to Use
    59Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…
    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…
    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…
    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…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    261QP2400XPrison Health Clinic/CenterAmbulatory Health Care Facilities · Clinic/Center
    363A00000XPhysician AssistantA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and…
    207WX0120XCornea and External Diseases Specialist PhysicianAn ophthalmologist who specializes in diseases of the cornea, sclera, eyelids, conjunctiva, and anterior segment of the eye.
    225A00000XMusic TherapistMusic therapists use music interventions to assess clients' strengths and needs, develop goals, implement services, and evaluate and document progress…
    1223E0200XEndodonticsThe branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study…
    363LF0000XFamily Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers · Nurse Practitioner
    103TW0100XDeactivated - Psychotherapy Women
    246Q00000XPathology Specialist/Technologist(1) An individual educated and trained in clinical chemistry, microbiology or other biological sciences; and in gathering data on the blood, tissues, …

    Related ICD-10-CM Codes

    25 rows

    ICD-10-CM CodeDescription
    M20.11Hallux valgus (acquired), right foot
    M21.6X1Other acquired deformities of right foot
    M21.6X2Other acquired deformities of left foot
    M25.571Pain in right ankle and joints of right foot
    M25.572Pain in left ankle and joints of left foot
    M76.60Achilles tendinitis, unspecified leg
    M77.9Enthesopathy, unspecified
    M79.671Pain in right foot
    M79.672Pain in left foot
    M84.571APathological fracture in neoplastic disease, right ankle, initial encounter for fracture

    Showing 1–10 of 25

    Related Payer Policy Updates

    Specialty: Durable Medical Equipment (DME)1 / 3

    10 rows

    PolicyPayerEffective Date
    Interferential Stimulation Devices (for home use)Moda Health2026-10-01
    Prior Authorization for Durable Medical Equipment (DME)Blue Cross Blue Shield - Rhode Island2026-10-01
    Breast PumpsModa Health2026-09-01
    Personal Emergency Response SystemsCareSource Georgia2026-09-01
    Continuous Passive Motion (CPM) DevicesCigna2026-08-15
    Push-Rim Activated Power-Assist Device (E0986) — Manual Wheelchair Accessorymoda_health_plan_inc2026-08-13
    Beds and Mattresses (for Ohio Only)Colorado Rocky Mountain Health Plans2026-08-01
    Beds and Mattresses (for Kentucky Only)UnitedHealthcare2026-08-01
    Pneumatic Compression Devices (for Nebraska Only)UnitedHealthcare2026-08-01
    Indications for Coverage — Hospital beds, support surfaces, and safety enclosure beds (DME)Colorado Rocky Mountain Health Plans2026-08-01

    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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