Favlyxa J Code: J9191

Drug & Product Overview

HCPCS Descriptor Injection, fluorouracil (avyxa), 10 mg

HCPCS Added Date October 1, 2026

Manufacturer Avyxa Pharma

Route of Administration Intravenous

Generic Status Single-Source; Branded

Dosage Type Single-Dose, Multi-Dose

Dosage Form Injection, Solution

About Favlyxa

Favlyxa is a medication aligned to the HCPCS J Code: J9191 for billing, pricing, and reimbursement purposes in the United States. Classified under Oncology, it is administered via the intravenous route and manufactured by Avyxa Pharma.

Manufacturers, reach out to us to add more information.

NDC Code Information

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

NDC Code	Package	Manufacturer	HCPCS Units	WAC	AWP
83831-0143-01	250 MG / 10 ML Favlyxa Intravenous Injection 250 MG/10ML - 1 VIAL, SINGLE-DOSE in 1 CARTON (83831-143-01) / 10 mL in 1 VIAL, SINGLE-DOSE	Avyxa Pharma, LLC	25	$350.00 $14.00 / unit	$420.00 $16.80 / unit
83831-0164-10	2500 MG / 100 ML Favlyxa Intravenous Injection 2500 MG/100ML - 1 VIAL, MULTI-DOSE in 1 CARTON (83831-164-10) / 100 mL in 1 VIAL, MULTI-DOSE	Avyxa Pharma, LLC	250	$3,500.00 $14.00 / unit	$4,200.00 $16.80 / unit

Effective 4/1/26 (WAC & AWP)

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Favlyxa Pricing & Reimbursement

Historical Graphing and Billing Calculator

NDC Package

HCPCS Units

Markup / Markdown

%

Common:

Estimates only. Payer reimbursement varies by contract, site of care, and sequestration.

Estimated Reimbursement

Fluorouracil 505(b)(2) Information:

HCPCS Code	Manufacturer	Active Ingredient	HCPCS Description
J9191	Avyxa Pharma	Fluorouracil	Injection, fluorouracil (avyxa), 10 mg

Favlyxa 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 →

Favlyxa 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.

Adenocarcinoma of the Breast Adenocarcinoma of the Colon and Rectum Gastric Adenocarcinoma Pancreatic Adenocarcinoma

Drug Class

Nucleic Acid Synthesis Inhibitors [MoA]Nucleoside Metabolic Inhibitor [EPC]

Frequently Asked Questions

Is there an available Favlyxa billing and coding guide?

Our team has not identified a manufacturer-published source of billing and coding information for Favlyxa.

Are there any available Favlyxa patient assistance programs?

Our team has not identified a manufacturer-published source of patient assistance information for Favlyxa.

Where can I find Favlyxa prescribing information?

Favlyxa prescribing information can be found at the link below. Please reach out to us if you believe this information to be inaccurate or out of date. Visit Here →

Where can I find Favlyxa side effect information?

Our team has not yet identified a source of side effects information for Favlyxa. Please check back in a few weeks.

Does billing Favlyxa require JZ/JW wastage modifiers?

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

About BuyandBill.com:

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