ERWINASE J Code: J9019

HCPCS Code Discontinued J9019 was deactivated effective December 31, 2025 and is no longer valid for billing. Confirm the current replacement code before submitting claims.

Drug & Product Overview

HCPCS Descriptor Injection, asparaginase (erwinaze), 1,000 iu

HCPCS Added Date January 1, 2013

Manufacturer Clinigen Group

Route of Administration Injection

Generic Status HCPCS Discontinued

About ERWINASE

Erwinase is a medication aligned to the HCPCS J Code: J9019 for billing, pricing, and reimbursement purposes in the United States. It is an Oncology drug administered via the injection route and manufactured by Clinigen Group.

Manufacturers, reach out to us to add more information.

NDC Code Information

1 NDC package is crosswalked to J9019. Package detail is available to logged-in subscribers.

NDC Code	Drug	Manufacturer	Billing Units / Pkg	Package Size
•••••-••••-•• Log in to view	ERWINASE

Login to view 1 NDC package View pricing, complete NDC-to-HCPCS alignments, and package details.

ERWINASE CPT Administration Codes

CPT Code	Description
96401	Chemotherapy administration, subcutaneous or intramuscular; non-hormonal anti-neoplastic

Not on the CMS JW / JZ list

CMS does not include Erwinase (J9019) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J9019. Wastage billing guide →

ERWINASE 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.

Acute lymphoblastic leukemia

Frequently Asked Questions

Is there an available Erwinase billing and coding guide?

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

Are there any available Erwinase patient assistance programs?

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

Where can I find Erwinase prescribing information?

ERWINASE prescribing information can be found at the link below: Visit Here →

Where can I find Erwinase side effect information?

Information regarding ERWINASE's side effects can be found at MedlinePlus Visit Here →

Does billing ERWINASE require JZ/JW wastage modifiers?

CMS does not include ERWINASE (J9019) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J9019. For more information, visit the link below.

About BuyandBill.com:

The BuyandBill.com team is dedicated to delivering high-quality coding and billing information for office-administered drugs. We continuously research HCPCS-coded medications to expand our resources and ensure data accuracy. Manufacturers: click here to sponsor your medication, and we will ensure the most accurate and detailed information is displayed.