Home Drug Codes J Codes J2313 · ZIMHI
Updated July 1st, 2026

ZIMHI J Code: J2313

Injection, naloxone hydrochloride (zimhi), 0.01 mg

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Medicare Payment Limit ?
Not published
CMS publishes none for Q3 2026
APC Payment Limit ?
Not published
CMS publishes none for Q3 2026
ASP ?
No current ASP
Not available for Q3 2026
WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
2
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Drug & Product Overview

HCPCS Descriptor Injection, naloxone hydrochloride (zimhi), 0.01 mg
HCPCS Added Date July 1, 2025
Manufacturer USWM, LLC
Route of Administration Intramuscular, Subcutaneous
Generic Status Single-Source; Branded
Dosage Type Single-Dose

About ZIMHI

Zimhi is a medication aligned to the HCPCS J Code: J2313 for billing, pricing, and reimbursement purposes in the United States. This Anti-Addiction medication is administered via the intramuscular or subcutaneous routes and manufactured by USWM, LLC.

Manufacturers, reach out to us to add more information.

NDC Code Information

2 NDC packages are crosswalked to J2313. Package detail is available to logged-in subscribers.

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ZIMHI Pricing & Reimbursement

J2313 Private Payer Reimbursement
$0.02 / HCPCS unit as of Jan 2026

National median reimbursement across major commercial payers.

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UnitedHealthcare, BlueCross BlueShield, Aetna, Cigna

Naloxone Hydrochloride 505(b)(2) Information:

HCPCS Code Manufacturer Active Ingredient HCPCS Description
J2312 Generic Code (Multiple Manufacturers) Naloxone Hydrochloride Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
J2313 Us Worldmeds Naloxone Hydrochloride Injection, naloxone hydrochloride (zimhi), 0.01 mg

ZIMHI 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
96372 Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); intramuscular
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 →

ZIMHI Medically Unlikely Edits (MUE)

The most billing units of J2313 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 0.01 mg.

Practitioner Office & Hospital Outpatient
1,000 units / day
= 10 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.

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.

Emergency treatment of known or suspected opioid overdose Reversal of opioid-induced respiratory/CNS depression (including postoperative) Diagnosis of suspected or known acute opioid overdose
Drug Class
Opioid Antagonist [EPC]Opioid Antagonists [MoA]

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Frequently Asked Questions

Is there an available ZIMHI billing and coding guide?
Our team has not identified a manufacturer-source of billing and coding information for ZIMHI. Please reach out to our team if this is a mistake.
Are there any available ZIMHI patient assistance programs?
ZIMHI patient assistance information can be found through USWM, LLC. Visit Here →
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?
Side effect information for ZIMHI can be found through MedlinePlus. Visit Here →
Does billing ZIMHI require JZ/JW wastage modifiers?
CMS does not include ZIMHI (J2313) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J2313. For more information, visit the link below.

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