Home Drug Codes J Codes J9185 · FLUDARABINE PHOSPHATE
Updated July 1st, 2026

FLUDARABINE PHOSPHATE J Code: J9185

Injection, fludarabine phosphate, 50 mg

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Q4 2026 Medicare Payment Limit for J9185, effective October 1, 2026: $177.924 per HCPCS billing unit, down 13.8% from $206.299. From CMS's final file.

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Medicare Payment Limit ?
$206.299
/ HCPCS billing unit · Q3 2026
APC Payment Limit ?
Not published
CMS publishes none for Q3 2026
ASP ?
$•••.••
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WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
6
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Drug & Product Overview

HCPCS Descriptor Injection, fludarabine phosphate, 50 mg
HCPCS Added Date January 1, 1994
Manufacturer Multiple Manufacturers
Route of Administration Intravenous
Generic Status Multi-Source; Generic
Dosage Type Single-Dose
Dosage Form Injection | Injection, Powder, Lyophilized, For Solution | Injection, Solution | Not Available

About FLUDARABINE PHOSPHATE

Fludarabine Phosphate is a medication aligned to the HCPCS J Code: J9185 for billing, pricing, and reimbursement purposes in the United States. Classified under Oncology, it is administered via the intravenous route and manufactured by multiple companies.

According to CMS Drug Use Information: This medication is used to treat leukemia and other cancers. It works by slowing or stopping the growth of cancer cells.

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. Showing 5 of 6 NDCs — log in for the full crosswalk.

NDC Code Drug Manufacturer Billing Units / Pkg Package Size
24201-0237-01 Fludarabine Phosphate Hikma Pharmaceuticals USA Inc. 1 50 MG
25021-0242-02 Fludarabine Phosphate Sagent Pharmaceuticals 1 50 MG / 2 ML
45963-0609-55 Fludarabine phosphate Actavis Pharma, Inc. 1 50 MG / 2 ML
59923-0604-02 Fludarabine Phosphate Areva Pharmaceuticals 1 50 MG / 2 ML
63323-0192-02 Fludarabine Fresenius Kabi USA, LLC 1 50 MG / 2 ML
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FLUDARABINE PHOSPHATE Pricing & Reimbursement

J9185 Private Payer Reimbursement
$83.75 / HCPCS unit as of Jan 2026

National median reimbursement across major commercial payers.

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UnitedHealthcare, BlueCross BlueShield, Aetna, Cigna

Historical Graphing and Billing Calculator

per HCPCS unit
As of Q3 2026

FLUDARABINE PHOSPHATE Claims Performance

Claims from Jan 2026 – Aug 2026
Claim Denial Rate 11.53%
Avg. Days to File 10.5days
Avg. Days to Pay 27.1days

Real-world claims performance from FocalPoint, OnPoint Oncology's reimbursement analytics platform, with claims data accrued at the clearing house level.

Explore J9185 claims analytics on FocalPoint →
OnPoint Oncology

FLUDARABINE PHOSPHATE CPT Administration Codes

The below list of CPT codes is intended for informational purposes only and may not be exhaustive. CPT® codes and descriptions are copyright American Medical Association (AMA). All rights reserved.

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)
JW / JZ modifiers apply

CMS has identified Fludarabine Phosphate (J9185) as a HCPCS code with single-dose containers. Therefore, the JW/JZ wastage modifiers could be required for billing purposes. Wastage billing guide →

FLUDARABINE PHOSPHATE Medically Unlikely Edits (MUE)

The most billing units of J9185 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 50 mg.

Practitioner Office & Hospital Outpatient
2 units / day
= 100 mg per day

MAI 3 · Date of Service Edit: Clinical. Per-day limit based on clinical expectations; excess units are denied but may be appealed with documentation of medical necessity. See all MUE limits →

mg Enter a dose to see how many billing units it is and whether it is under the limit.

FLUDARABINE PHOSPHATE 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.

B-cell chronic lymphocytic leukemia (CLL)
Drug Class
Nucleic Acid Synthesis Inhibitors [MoA]Nucleoside Metabolic Inhibitor [EPC]

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Frequently Asked Questions

Is there an available Fludarabine Phosphate billing and coding guide?
Our team has not identified a manufacturer-published source of billing and coding information for FLUDARABINE PHOSPHATE.
Are there any available Fludarabine Phosphate patient assistance programs?
Our team has not identified a manufacturer-published source of patient assistance information for FLUDARABINE PHOSPHATE.
Where can I find Fludarabine Phosphate prescribing information?
FLUDARABINE PHOSPHATE prescribing information can be found at the link below. Please reach out to us if you believe this information to be innacurate or out of date. Visit Here →
Where can I find Fludarabine Phosphate side effect information?
Our team has not yet identified a source of side effects information for FLUDARABINE PHOSPHATE. Please check back in a few weeks.
Does billing FLUDARABINE PHOSPHATE require JZ/JW wastage modifiers?
CMS has identified FLUDARABINE PHOSPHATE(J9185) as a HCPCS code with single-dose containers. Therefore, the JW/JZ wastage modifiers could be required for billing purposes. See CMS guidelines on use of the JZ and JW wastage modifiers below.

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