Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerBilling CodesOrthotic Procedures and servicesHCPCS hcpcs-l1971-ankle-foot-orthosis-prefabricated-ankle-joint
    Ask Trek AI about this page

    HCPCS Level II L1971: Prefabricated Ankle-Foot Orthosis with Ankle Joint

    HCPCS Level II code L1971 describes a prefabricated ankle-foot orthosis made of plastic or other material that includes an ankle joint, may include dorsiflexion assist, and encompasses professional fitting and adjustment; this item is billed as durable medical equipment for orthotic support and ankle stabilization, typically provided through orthotics/prosthetics clinics, outpatient durable medical equipment suppliers, or hospital outpatient departments and used in ambulatory or clinic-based settings for patients needing mechanical ankle control.

    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.

    Customize your policy alerts

    Sign up for hcpcs L1971 policy alerts

    Get alerted when payer policies referencing L1971 are released or updated.

    Monitor payer policy activity

    Receive email alerts as soon as relevant payer policies are published or updated.

    Table of contents

    Progress1 / 6

    Explore openpayer tools

    • Billing CodesCPT, HCPCS, DRG & more
    • Reimbursement RatesCommercial vs. Medicare rate reports
    • ProvidersHospitals & facilities
    • PayersPlans & market footprint
    • Taxonomy CodesNUCC specialty codes
    • ModifiersCPT modifiers & usage
    • Prior AuthorizationPA policies by payer & drug
    • Timely FilingFiling deadlines by payer
    • Coverage CriteriaMedical necessity by payer
    • Payer ContactsClaims, PA & appeals contacts
    View all tools

    Clinical & Coding Specifications

    Clinical Context

    A 68-year-old patient with chronic left-sided foot drop secondary to peroneal neuropathy is seen in an outpatient orthotics clinic. The patient reports repeated tripping and difficulty clearing the left forefoot during the swing phase of gait. Physical exam demonstrates dorsiflexor weakness and ankle instability without active ankle plantarflexion impairment. The treating clinician (orthotist or rehabilitation physician) determines that a prefabricated ankle–foot orthosis with an integrated ankle joint and optional dorsiflexion assist is appropriate for ambulatory safety and functional gait correction. The clinic fits L1971, documents baseline gait assessment, performs custom fitting and on-site adjustments, instructs the patient on donning/doffing and skin checks, and schedules a follow-up visit for reassessment and potential modifications. Typical sites of service include outpatient orthotics/prosthetics clinics, hospital outpatient departments, rehabilitation centers, and physician offices with on-site orthotics services.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99213Office or other outpatient visit for the evaluation and management of an established patient, low to moderate complexityCommon E/M visit when initiating or following up on L1971 fitting and documentation
    97760Orthotic(s) management and training, upper or lower extremity, initial encounter, each 15 minutesUsed for direct orthotic management and patient training associated with AFO fitting and use
    97035Ultrasound therapy, each 15 minutesOccasionally provided in rehabilitation workflow for concomitant soft-tissue issues before fitting
    97032Electrical stimulation, each 15 minutesMay be used adjunctively for neuromuscular re-education in patients with dorsiflexion weakness
    99070Supplies and materials (e.g., non-physician services), used when supplying non-covered itemsUsed if additional non-billable supplies are furnished during fitting (payer rules vary)

    Related Modifiers

    7 rows

    ModifierDescriptionWhen to Use
    50Modifier –50 (Bilateral Procedure) is appended to a CPT code when an identical procedure is performed on paired anatomical structures during the same operative session. The AMA states to add…- Use modifier -50 when the same CPT surgical, diagnostic, or radiology procedure is performed on paired anatomical structures (both sides of the body) during the same operative/session by the same…
    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…
    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…
    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…
    26Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared a…
    76Modifier -76, Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional, is appended when the same provider performs an identical, medically necessary procedure or…- Use modifier -76 when the same physician or other qualified health care professional performs an identical procedure or service a second (or subsequent) time on the same date of service and the…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    208VP0000XPain Medicine PhysicianPain Medicine is a primary medical specialty based on a distinct body of knowledge and a well-defined scope of clinical practice that is founded on sc…
    207R00000XInternal Medicine PhysicianA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults…
    207L00000XAnesthesiology PhysicianAn anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
    163WP0218XPediatric Oncology Registered NurseNursing Service Providers · Registered Nurse
    2083C0008XClinical Informatics PhysicianPhysicians who practice Clinical Informatics collaborate with other health care and information technology professionals to analyze, design, implement…
    2085U0001XDiagnostic Ultrasound PhysicianA Radiology doctor of Osteopathy that specializes in Diagnostic Ultrasound.
    207QA0505XAdult Medicine PhysicianThe NUCC recommends this code not be used. Choose a more appropriate code.
    207XS0114XAdult Reconstructive Orthopaedic Surgery PhysicianRecognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal…

    Related Payer Policy Updates

    Specialty: Durable Medical Equipment (DME)1 / 3

    5 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
    General Durable Medical Equipment (DME) Medical GuidelineWPS Health Insurance2026-10-01
    Prior Authorization for Durable Medical Equipment (DME)Blue Cross Blue Shield - Rhode Island2026-10-01

    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

    • More pages

    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.
    Published by

    Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.