Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • 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.

    v1.0.30
    OpenPayerBilling CodesProsthetic ProceduresHCPCS hcpcs-l8621-zinc-air-battery-cochlear-implant-replacement
    Ask Trek AI about this page

    HCPCS L8621: Zinc Air Battery for Cochlear Implant/Auditory Processors

    HCPCS Level II code L8621 describes a replacement zinc air battery intended for use with cochlear implant devices and auditory osseointegrated sound processors; this is a durable medical supply for hearing device maintenance, typically provided as a single-item replacement supply (service type: replacement of battery) and most frequently supplied in ambulatory clinics, audiology offices, hearing aid dispensaries, or via durable medical equipment suppliers (typical site of service: outpatient/ambulatory or DME supplier).

    For related coverage guidance, see recent payer policy updates: Speech Therapy for Autism Disorders - Medical Policy, Sensory Integration Therapy and Auditory Integration Training, Skilled Nursing and Skilled Rehabilitation Services (Outpatient).

    Customize your policy alerts

    Sign up for hcpcs L8621 policy alerts

    Get alerted when payer policies referencing L8621 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
    • Facility ComparisonBeds, revenue & payer mix
    • 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 patient with a cochlear implant or an auditory osseointegrated sound processor presents for routine device maintenance and battery replacement. Typically an audiologist, hearing instrument specialist, or cochlear implant technician on an outpatient basis provides one or more L8621 zinc air replacement batteries to restore power to the external sound processor. The workflow begins with device inspection and functional check, identification of depleted battery cells, selection of the correct battery size and chemistry (zinc air), replacement of the battery, verification of device operation and audio performance, and documentation of battery lot number and quantity dispensed. Typical settings are ambulatory audiology clinics, hearing centers, specialty ENT clinics, or durable medical equipment dispensing sites within outpatient facilities. The patient is often an adult or pediatric recipient of a cochlear implant or bone-anchored hearing device who requires periodic replacement batteries between clinic visits or receives a bundled supply during a scheduled follow-up appointment.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    92590Hearing aid examination and selection, monauralPerformed when evaluating external processor function and determining battery needs during clinic visits.
    92601Diagnostic analysis of cochlear implant, patient-focused, each 15 minutesUsed for detailed device programming or troubleshooting that may accompany battery replacement.
    92557Comprehensive audiometry, air and bone, pure-tone and speech audiometryPerformed before or after device service to confirm auditory function and device performance.
    94799Unlisted pulmonary service or procedure (placeholder)Data not applicable; no relation — Data not available in the input.
    99070Supplies and materials (except spectacles), provided by physician over and above usual office supplies, list separately in addition to code for office visitUsed to report the supply cost of replacement batteries when payer allows separate supply billing.

    Related Modifiers

    8 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…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    224Z00000X
    174400000X
    367A00000X
    2080A0000X
    261QP2300X
    261QX0203X
    347C00000X
    364SP1700X

    Related Payer Policy Updates

    Specialty: Physical Medicine, Rehab & Therapies1 / 2

    10 rows

    PolicyPayerEffective Date
    Speech Therapy for Autism Disorders - Medical PolicyHealth-New-England2026-12-01
    Sensory Integration Therapy and Auditory Integration TrainingColorado Rocky Mountain Health Plans2026-11-01
    Skilled Nursing and Skilled Rehabilitation Services (Outpatient)Anthem2026-10-01
    Habilitation and Rehabilitation Therapy (Occupational, Physical, and Speech) (for New Mexico Only)UnitedHealthcare2026-10-01
    Physical Therapy/Medicine Corporate Medical Policybcbsvermont2026-10-01
    Cognitive Rehabilitation Corporate Medical Policybcbsvermont2026-10-01
    Speech Language Pathology/Therapy Services Corporate Medical Policybcbsvermont2026-10-01
    Occupational Therapy Corporate Medical Policybcbsvermont2026-10-01
    Biomagnetic TherapyConnectiCare2026-09-11
    Habilitation and Rehabilitation Therapy (Occupational, Physical, and Speech) (for Idaho Only)UnitedHealthcare2026-09-01

    Related Codes

    HCPCS-L5000-PARTIAL-FOOT-SHOE-INSERT-LONGITUDINAL-ARCH-TOE-FILLER

    HCPCS Level II L5000: Partial Foot Shoe Insert with Longitudinal Arch, Toe Filler

    HCPCS-L5010-PARTIAL-FOOT-MOLDED-SOCKET-ANKLE-HEIGHT-TOE-FILLER

    HCPCS L5010: Partial Foot Molded Socket, Ankle Height, With Toe Filler

    HCPCS-L5020-PARTIAL-FOOT-MOLDED-SOCKET-TIBIAL-TUBERCLE-TOE-FILLER

    HCPCS L5020: Partial Foot Molded Socket with Toe Filler

    HCPCS-L5050-ANKLE-SYMES-MOLDED-SOCKET-SACH-FOOT

    HCPCS L5050: Ankle/Symes Molded Socket with SACH Foot

    HCPCS-L5060-ANKLE-SYMES-METAL-FRAME-MOLDED-LEATHER-SOCKET-ARTICULATED-ANKLE-FOOT

    HCPCS L5060: Ankle/Symes Metal Frame with Molded Leather Socket

    HCPCS-L5100-BELOW-KNEE-MOLDED-SOCKET-SHIN-SACH-FOOT

    HCPCS Level II L5100: Below-Knee Molded Socket with Shin and SACH Foot

    HCPCS-L5105-BELOW-KNEE-PLASTIC-SOCKET-SACH-FOOT

    HCPCS L5105: Below-Knee Plastic Socket Prosthesis with SACH Foot

    HCPCS-L5150-KNEE-DISARTICULATION-MOLDED-SOCKET-EXTERNAL-KNEE-SACH-FOOT

    HCPCS L5150: Knee Disarticulation Molded Socket with External Knee and SACH Foot

    HCPCS-L5160-KNEE-DISARTICULATION-MOLDED-SOCKET-BENT-KNEE-SACH-FOOT

    HCPCS Level II L5160: Knee Disarticulation Molded Socket, Bent Knee Configuration

    HCPCS-L5200-ABOVE-KNEE-MOLDED-SOCKET-SINGLE-AXIS-KNEE-SACH-FOOT

    HCPCS Level II L5200: Above-knee Prosthesis with Molded Socket and Single-axis Knee

    Showing 1–10 of 472

    • 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.