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    v1.0.30
    OpenPayerBilling CodesChemotherapy DrugsHCPCS hcpcs-j9023-avelumab-10mg-injection
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    HCPCS J9023: Avelumab Injection, 10 mg

    HCPCS Level II code J9023 represents the medication administration unit for avelumab as an injection, 10 mg, used in oncology infusion settings; the service type is intravenous or subcutaneous biologic drug administration and the typical site of service is an outpatient hospital infusion center or oncology clinic where billed drug units are reported per 10 mg increments.

    For related coverage guidance, see recent payer policy updates: Hematology - Adzynma, Tumor Treating Fields for Pancreatic Cancer, Axicabtagene ciloleucel (Yescarta®) coverage.

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    Clinical & Coding Specifications

    Clinical Context

    A typical patient is an adult with metastatic urothelial carcinoma or other FDA‑approved indication for avelumab who presents to an outpatient oncology infusion suite for scheduled immunotherapy. The patient has a recent oncology consultation documenting indication, treatment plan, and baseline labs (CBC, CMP) and is assessed by oncology nursing prior to infusion for vitals, performance status, and checklist screening for contraindications such as active infection or uncontrolled autoimmune disease. The clinician orders J9023 to cover avelumab dosed per weight or fixed schedule; pharmacy verifies dose, prepares the vial dose under sterile compounding conditions, and documents lot number and expiration. On the day of service the patient receives intravenous infusion in the oncology chair or ambulatory infusion center, monitored for infusion reactions; premedication (e.g., antihistamine, acetaminophen) may be administered per protocol. Post‑infusion monitoring occurs for the required observation period; nursing documents administration details, any adverse events, and disposition. Billing for the drug uses HCPCS code J9023 per 10 mg increment with appropriate modifier(s) for payer reporting and reimbursement, and relevant diagnosis codes for the oncologic indication are submitted with the claim.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    96413Chemotherapy administration, intravenous infusion technique; up to 1 hour, single or initial substance/drugOften billed for the infusion time when avelumab is administered as the initial IV infusion during the encounter.
    96415Chemotherapy administration, IV infusion, each additional hourBilled when infusion duration exceeds the initial hour and additional time is medically documented.
    96417Chemotherapy administration, IV infusion, each additional sequential infusion of a new drug, up to 1 hourUsed if avelumab is followed by an additional distinct IV drug in the same encounter.
    96401Chemotherapy administration, IV infusion, for antineoplastic agents; not otherwise specifiedAlternate administration code for complex or non‑standard infusion services when applicable.
    99199Unlisted special service, procedure or reportUsed rarely for reporting unusual services related to immunotherapy administration not covered by standard codes.

    Related Modifiers

    6 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…
    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
    208000000X
    207Q00000X
    364S00000X
    363L00000X
    332B00000X
    2080P0214X
    286500000X
    207PE0004X

    Related Payer Policy Updates

    Specialty: Hematology/Oncology1 / 3

    10 rows

    PolicyPayerEffective Date
    Hematology - AdzynmaCigna2026-10-15
    Tumor Treating Fields for Pancreatic Cancerselect_health2026-10-01
    Axicabtagene ciloleucel (Yescarta®) coverageBaylor Scott & White Health Plan2026-10-01
    Electric Tumor Treatment Field Therapy (for Kentucky Only)UnitedHealthcare2026-10-01
    Electric Tumor Treatment Field Therapy (for Kansas Only)UnitedHealthcare2026-10-01
    Electric Tumor Treatment Field Therapy (for Idaho Only)UnitedHealthcare2026-10-01
    Brexucabtagene autoleucel (Tecartus) CoverageBaylor Scott & White Health Plan2026-10-01
    Electric Tumor Treatment Field Therapy (for Pennsylvania Only)UnitedHealthcare2026-10-01
    Epithelial Cell Cytology in Breast Cancer Risk AssessmentOscar Health2026-10-01
    Factor VIII ProductsCigna2026-09-15

    Related Codes

    HCPCS-J9000-DOXORUBICIN-10MG-INJECTION

    HCPCS J9000: Doxorubicin Hydrochloride Injection, 10 mg

    HCPCS-J9003-LEUPROLIDE-INJECTABLE-CAMCEVI-1MG

    HCPCS Level II J9003: Leuprolide injectable (camcevi etm), 1 mg

    HCPCS-J9010-ALEMTUZUMAB-INJECTION-10MG

    HCPCS Level II J9010: Injection, alemtuzumab, 10 mg

    HCPCS-J9011-DATOPOTAMAB-DERUXTECAN-INJECTION-1MG

    HCPCS J9011: Datopotamab Deruxtecan Injection, 1 mg

    HCPCS-J9015-ALDESLEUKIN-INJECTION-SINGLE-USE-VIAL

    HCPCS Level II J9015: Aldesleukin Injection, Single-Use Vial

    HCPCS-J9017-ARSENIC-TRIOXIDE-INJECTION-1MG

    HCPCS J9017: Arsenic Trioxide Injection, 1 mg

    HCPCS-J9019-ASPARAGINASE-ERWINAZE-INJECTION-1000-IU

    HCPCS Level II J9019: Asparaginase (Erwinaze) Injection, 1,000 IU

    HCPCS-J9020-ASPARAGINASE-INJECTION-10000-UNITS

    HCPCS J9020: Asparaginase Injection, 10,000 Units

    HCPCS-J9021-ASPARAGINASE-RYLAZE-INJECTION-0-1-MG

    HCPCS Level II J9021: Injection, asparaginase (Rylaze), 0.1 mg

    HCPCS-J9022-ATEZOLIZUMAB-INJECTION-10MG

    HCPCS J9022: Injection, atezolizumab 10 mg

    Showing 1–10 of 227

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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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