IMAAVY J Code: J9256

Drug & Product Overview

HCPCS Descriptor Injection, nipocalimab-aahu, 3 mg

HCPCS Added Date January 1, 2026

Manufacturer Janssen

Route of Administration Intravenous

Generic Status Single-Source; Branded

Dosage Type Single-Dose

Dosage Form Injection, Solution, Concentrate

About IMAAVY

Imaavy is a medication aligned to the HCPCS J Code: J9256 for billing, pricing, and reimbursement purposes in the United States. It is an Immunology drug administered via the intravenous route and manufactured by Janssen.

According to CMS Drug Use Information: Nipocalimab is used to treat a certain muscle condition (generalized myasthenia gravis). It may help to improve symptoms of muscle weakness.

Disclaimer: This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional.

NDC Code Information

Based on publicly available CMS files. The list of NDCs below is not exhaustive.

NDC Code	Drug	Manufacturer	Billing Units / Pkg	Package Size
57894-0800-01	Imaavy	Janssen Biotech, Inc.	100	299.7 MG / 1.62 ML
57894-0801-01	Imaavy	Janssen Biotech, Inc.	400	1202.5 MG / 6.5 ML

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IMAAVY Pricing & Reimbursement

J9256 Private Payer Reimbursement

$32.56 / HCPCS unit as of Jan 2026

National median reimbursement across major commercial payers.

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Historical Graphing and Billing Calculator

per HCPCS unit

As of Q3 2026

IMAAVY CPT Administration Codes

CPT Code	Description
96413	Chemotherapy administration, intravenous infusion technique; up to 1 hour, single or initial substance/drug
96415	Chemotherapy administration, intravenous infusion technique; each additional hour (List separately in addition to code for primary procedure)

Not on the CMS JW / JZ list

This product is new and does not yet appear on the CMS list of HCPCS pertaining to single-dose containers. Wastage billing guide →

IMAAVY Clinical Information

Indications and drug classification.

Treated Diseases & Conditions

This list of indications is not exhaustive and may be subject to errors. The information on BuyandBill.com is intended for informational purposes only and should not be used for medical advice.

Generalized myasthenia gravis (gMG) Warm autoimmune hemolytic anemia (wAIHA)

Frequently Asked Questions

Is there a manufacturer-published IMAAVY billing and coding guide?

Billing and coding information for IMAAVY can be found through Janssen. Visit Here →

Is there an available IMAAVY patient assistance program?

IMAAVY patient assistance information can be found through Janssen Biotech, Inc.. Visit Here →

Where can I find IMAAVY prescribing information?

IMAAVY prescribing information can be found at the link below. Visit Here →

Where can I find IMAAVY side effect information?

IMAAVY side effect information can be found through MedlinePlus. Visit Here →

Does billing IMAAVY require JZ/JW wastage modifiers?

CMS does not include IMAAVY (J9256) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J9256. For more information, visit the link below.

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