Zimhi J Code: J2311

HCPCS Code Discontinued J2311 was deactivated effective June 30, 2025 and is no longer valid for billing. Confirm the current replacement code before submitting claims.

Drug & Product Overview

HCPCS Descriptor Injection, naloxone hydrochloride (zimhi), 1 mg

HCPCS Added Date January 1, 2023

Manufacturer US Worldmeds

Route of Administration Intramuscular, Subcutaneous

Generic Status HCPCS Discontinued

Dosage Type Single-Dose

About Zimhi

Zimhi is a medication aligned to the HCPCS J Code: J2311 for billing, pricing, and reimbursement purposes in the United States. It is an Opioid Analgesic drug administered via the intramuscular or subcutaneous routes and manufactured by US Worldmeds.

Manufacturers, reach out to us to add more information.

NDC Code Information

2 NDC packages are crosswalked to J2311. Package detail is available to logged-in subscribers.

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

Login to view 2 NDC packages View pricing, complete NDC-to-HCPCS alignments, and package details.

Zimhi CPT Administration Codes

CPT Code	Description
96372	Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); intramuscular

Not on the CMS JW / JZ list

CMS does not include Zimhi (J2311) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J2311. Wastage billing guide →

Zimhi 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.

Opioid overdose

Frequently Asked Questions

Is there an available Zimhi billing and coding guide?

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

Are there any available Zimhi patient assistance programs?

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

Where can I find Zimhi prescribing information?

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

Where can I find Zimhi side effect information?

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

Does billing Zimhi require JZ/JW wastage modifiers?

CMS does not include Zimhi (J2311) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J2311. 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.