What is NDC 84571-140?

84571-140 is the product NDC for Zimhi (naloxone hydrochloride), Naloxone hydrochloride 5 mg/.5mL injection, solution, listed with the FDA by ZMI Pharma Inc.. It has 2 package NDCs, shown above in 10- and 11-digit form.

What drug is associated with this NDC?

Zimhi (Naloxone Hydrochloride).

ZMI Pharma Inc., NDC labeler code 84571. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Zimhi?

None: this is the only finished product listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Zimhi NDC 84571-140 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)84571-140Labeler and product segments. Claims need a package NDC.

Product NDC at billing width84571-0140Add the package segment from the table below.

Package NDCs as listed with the FDA, and the 11-digit 5-4-2 form used on claims. The highlighted digit is the added leading zero.
Package NDC	11-digit (billing)	Package	Copy
84571-140-02	8457101400284571014002	2 CASE in 1 CARTON (84571-140-02) / 1 SYRINGE in 1 CASE / .5 mL in 1 SYRINGEMarketed from Jan 15, 2022
84571-140-11	8457101401184571014011	1 CASE in 1 CARTON (84571-140-11) / 1 SYRINGE in 1 CASE / .5 mL in 1 SYRINGEMarketed from Jan 15, 2022

How the 11-digit form is made: The product segment has 3 digits, so one leading zero is added to it (5-3-2 → 5-4-2). Formatting the NDC does not by itself make it billable — the product, package and quantity must match what was dispensed or administered, and payer rules apply. Conversion rules

Product information

Brand name (proprietary): Zimhi
Generic name (nonproprietary): naloxone hydrochloride
Active ingredients: Naloxone hydrochloride — 5 mg/.5mL
Dosage form: Injection, Solution
Route: Intramuscular, Subcutaneous
Labeler: ZMI Pharma Inc.NDC labeler code 84571
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 212854
Marketing start: Jan 15, 2022
Listing expires: Dec 31, 2026
Other FDA classes: Opioid Antagonists (Mechanism)
Identifiers: Product ID 84571-140_4525b96b-5ab9-b8fd-e063-6294a90aa699SPL ID 4525b96b-5ab9-b8fd-e063-6294a90aa699SPL set ID 523c0909-bff6-4010-988a-53de18b7cb3fRxCUI 2589612, 2589618UNII F850569PQR
Pharmacologic class: Opioid Antagonist

Billing references

What Med-Code can say about coding this product, and where each statement comes from. Nothing here is inferred from the name alone.

HCPCS codeNo match

No drug-specific HCPCS code in Med-Code's directory for this product. The directory is curated and not complete — check the current CMS HCPCS file before billing.

Administration

Drug administration (CPT 96360–96549)

When a clinician administers the drug, the administration is reported separately. Codes in this range cover hydration, therapeutic injections and infusions, and chemotherapy or other complex drug administration. The right code depends on route, duration and drug type, and self-administered drugs are not billed this way.

How CPT relates to drug billing

NDC on a medical claim

N484571014002 followed by a unit qualifier and the quantity

Package 84571-0140-02. Unit qualifiers: F2 (international unit), GR (gram), ME (milligram), ML (milliliter), UN (unit (each)). The qualifier and quantity depend on what was given. About the N4 qualifier

Product label

Current FDA label (SPL), effective Dec 4, 2025.

Indications (excerpt from the label)

1. INDICATIONS AND USAGE ZIMHI is indicated in adults and pediatric patients for: the emergency treatment of known or suspected opioid overdose, as manifested by respiratory and/or central nervous system depression. ZIMHI is intended for immediate administration as emergency therapy in settings where opioids may be present. ZIMHI is not a substitute for emergency medical care. ZIMHI is an opioid antagonist indicated for the emergency treatment of known or suspected opioid overdose, as manifested by respiratory and/or central nervous system depression. ( 1 ) ZIMHI is intended for immediate administration as emergency therapy in settings where opioids may be present. ( 1 ) ZIMHI is not a subst…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 84571-140

What is NDC 84571-140?: 84571-140 is the product NDC for Zimhi (naloxone hydrochloride), Naloxone hydrochloride 5 mg/.5mL injection, solution, listed with the FDA by ZMI Pharma Inc.. It has 2 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Zimhi (Naloxone Hydrochloride).
What is the active ingredient?: Naloxone hydrochloride.
Who is the labeler?: ZMI Pharma Inc., NDC labeler code 84571. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Zimhi?: None: this is the only finished product listed under this name.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Zimhi (Naloxone hydrochloride) NDC 84571-140