Home › NDC Lookup › RxCUI directory › RxCUI 1659929

1 ML naloxone hydrochloride 0.4 MG/ML Injection — RxCUI 1659929

RxNorm drug concept · Semantic clinical drug
RxCUI 1659929 Semantic clinical drug · SCD ● Current RxNorm concept 24 FDA products 32 package NDCs Snapshot Jul 14, 2026

This page is curated, coded, and maintained by

Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI1659929
Official name1 ML naloxone hydrochloride 0.4 MG/ML Injection
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asnaloxone HCl 0.4 MG per 1 ML Injection; naloxone HCl 0.4 MG in 1 ML Injection
FDA products mapped24
Package NDCs mapped32
Reported Medicaid activity (SDUD)6,936 prescriptions · 23 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Naloxone Injection: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Naloxone works by knocking opioids off their receptors in the brain — the spots opioids attach to in order to cause their effects. When those receptors are blocked by naloxone, bre...
  • What exactly does naloxone injection do in an overdose?
  • Call 911 immediately — that's not optional. Naloxone wears off faster than most opioids, so even if the person wakes up and seems okay, they can slip back into overdose once the na...
  • What do I do after I give someone a dose of naloxone injection?
📖 Read our full Naloxone Injection guide →

🕸️ Concept Web — How 1 ML naloxone hydrochloride 0.4 MG/ML Injection Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept 1 ML naloxone hydrochloride 0.4 MG/ML Injection RxCUI 1659929

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 2

    The active substance itself — no strength, form, or brand attached yet.

    • Naloxone 7242
    • Naloxone hydrochloride 203192
  2. Dose forms 6

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Naloxone Injection 1659928
    • Naloxone hydrochloride Injection 2646190
    • Naloxone Injectable Product 1156980
    • Naloxone hydrochloride Injectable Product 2662934
    • Injection 1649574
    • Injectable Product 1151126
  3. Clinical & branded drugs 1

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

    • Naloxone hydrochloride 0.4 MG/ML 1191221

Showing up to 8 concepts per family — 9 of 9 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Naloxone hydrochloride 0.4 MG/ML SCDC · 1191221
  • Naloxone Injection SCDF · 1659928
  • Naloxone hydrochloride Injection SCDFP · 2646190
  • Naloxone Injectable Product SCDG · 1156980
  • Naloxone hydrochloride Injectable Product SCDGP · 2662934

📦 FDA Products & Package NDCs

24 products · 32 package NDCs
32 package NDCs map to RxCUI 1659929 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
00404-9773-01 1 VIAL, SINGLE-DOSE in 1 BAG (0404-9773-01) / 1 mL in 1 VIA... NALOXONE HYDROCHLORIDE Henry Schein, Inc. 2025-10-28
00404-9923-01 1 VIAL, SINGLE-DOSE in 1 BAG (0404-9923-01) / 1 mL in 1 VIA... NALOXONE HYDROCHLORIDE Henry Schein, Inc. 2022-01-13
00409-1215-01 10 VIAL, SINGLE-DOSE in 1 CARTON (0409-1215-01) / 1 mL in 1... Naloxone Hydrochloride Hospira, Inc. 2005-07-12
00409-1219-01 25 CARTON in 1 CASE (0409-1219-01) / 1 VIAL, MULTI-DOSE in... Naloxone Hydrochloride Hospira, Inc. 2005-09-02
00641-6132-25 25 VIAL in 1 CARTON (0641-6132-25) / 1 mL in 1 VIAL (0641-6... Naloxone Hydrochloride Hikma Pharmaceuticals USA Inc. 1986-09-24
00641-6260-25 25 VIAL in 1 CARTON (0641-6260-25) / 1 mL in 1 VIAL (0641-6... Naloxone Hydrochloride Hikma Pharmaceuticals USA Inc. 2022-03-01
36000-0308-10 10 VIAL, SINGLE-DOSE in 1 CARTON (36000-308-10) / 1 mL in 1... naloxone hydrochloride Baxter Healthcare Corporation 2021-01-29
50090-5427-00 10 VIAL in 1 CARTON (50090-5427-0) / 1 mL in 1 VIAL Naloxone Hydrochloride A-S Medication Solutions 2021-01-08
50090-6491-00 10 VIAL, SINGLE-DOSE in 1 CARTON (50090-6491-0) / 1 mL in 1... Naloxone Hydrochloride A-S Medication Solutions 2023-05-19
51662-1242-01 1 mL in 1 VIAL (51662-1242-1) NALOXONE HCI HF Acquisition Co. LLC, DBA Health First 2018-08-18
51662-1242-03 50 POUCH in 1 CASE (51662-1242-3) / 1 mL in 1 POUCH (51662-... NALOXONE HCI HF Acquisition Co. LLC, DBA Health First 2020-06-15
51662-1544-01 1 mL in 1 VIAL, SINGLE-DOSE (51662-1544-1) NALOXONE HYDROCHLORIDE HF Acquisition Co LLC, DBA HealthFirst 2021-08-08
51662-1544-03 10 POUCH in 1 CASE (51662-1544-3) / 1 VIAL, SINGLE-DOSE in... NALOXONE HYDROCHLORIDE HF Acquisition Co LLC, DBA HealthFirst 2022-04-22
51662-1671-03 25 VIAL in 1 CARTON (51662-1671-3) / 1 mL in 1 VIAL (51662-... NALOXONE HYDROCHLORIDE HF Acquisition Co LLC, DBA HealthFirst 1986-09-24
55150-0327-10 10 VIAL, SINGLE-DOSE in 1 CARTON (55150-327-10) / 1 mL in 1... Naloxone Hydrochloride Eugia US LLC 2019-10-15
55150-0327-25 25 VIAL, SINGLE-DOSE in 1 CARTON (55150-327-25) / 1 mL in 1... Naloxone Hydrochloride Eugia US LLC 2019-10-15
67457-0292-02 10 VIAL, SINGLE-DOSE in 1 CARTON (67457-292-02) / 1 mL in 1... Naloxone Hydrochloride Mylan Institutional LLC 2014-03-06
70069-0071-10 10 VIAL in 1 CARTON (70069-071-10) / 1 mL in 1 VIAL (70069-... Naloxone Hydrochloride Somerset Therapeutics, LLC 2017-08-08
70385-2033-01 1 VIAL in 1 PACKAGE (70385-2033-1) / 1 mL in 1 VIAL Naloxone Hydrochloride Sina Health Inc 2017-08-08
70756-0658-10 10 VIAL, SINGLE-DOSE in 1 CARTON (70756-658-10) / 1 mL in 1... naloxone hydrochloride Lifestar Pharma LLC 2024-02-29
70756-0658-25 25 VIAL, SINGLE-DOSE in 1 CARTON (70756-658-25) / 1 mL in 1... naloxone hydrochloride Lifestar Pharma LLC 2024-02-29
70756-0658-82 1 VIAL, SINGLE-DOSE in 1 CARTON (70756-658-82) / 1 mL in 1... naloxone hydrochloride Lifestar Pharma LLC 2024-02-29
70756-0850-10 10 VIAL, SINGLE-DOSE in 1 CARTON (70756-850-10) / 1 mL in 1... naloxone hydrochloride Lifestar Pharma LLC 2026-02-19
70756-0850-25 25 VIAL, SINGLE-DOSE in 1 CARTON (70756-850-25) / 1 mL in 1... naloxone hydrochloride Lifestar Pharma LLC 2026-02-19
70756-0850-82 1 VIAL, SINGLE-DOSE in 1 CARTON (70756-850-82) / 1 mL in 1... naloxone hydrochloride Lifestar Pharma LLC 2026-02-19
71872-7009-01 1 VIAL in 1 BAG (71872-7009-1) / 1 mL in 1 VIAL Naloxone Hydrochloride Medical Purchasing Solutions, LLC 2019-05-06
71872-7198-01 1 VIAL in 1 BAG (71872-7198-1) / 1 mL in 1 VIAL Naloxone Hydrochloride Medical Purchasing Solutions, LLC 2020-01-29
71872-7219-01 1 VIAL, SINGLE-DOSE in 1 BAG (71872-7219-1) / 1 mL in 1 VIA... Naloxone Hydrochloride Medical Purchasing Solutions, LLC 2020-09-11
71872-7297-01 1 VIAL, SINGLE-DOSE in 1 BAG (71872-7297-1) / 1 mL in 1 VIA... naloxone hydrochloride Medical Purchasing Solutions, LLC 2022-11-16
72603-0590-10 10 VIAL, SINGLE-DOSE in 1 CARTON (72603-590-10) / 1 mL in 1... naloxone hydrochloride NorthStar RxLLC 2024-07-01
72603-0590-25 25 VIAL, SINGLE-DOSE in 1 CARTON (72603-590-25) / 1 mL in 1... naloxone hydrochloride NorthStar RxLLC 2024-07-01
84549-0071-10 1 mL in 1 VIAL (84549-071-10) Naloxone Hydrochloride ProPharma Distribution 2025-08-27
Observed labelers: Lifestar Pharma LLC (6) · Medical Purchasing Solutions, LLC (4) · HF Acquisition Co LLC, DBA HealthFirst (3) · A-S Medication Solutions (2) · Eugia US LLC (2) · Henry Schein, Inc. (2) · +9 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🧾 Billing Codes (HCPCS)

Medical billing codes (HCPCS "J-codes") that connect to this concept's packages — used mostly when a clinic or hospital bills for a drug it administers. Each code links to its full billing page.
CodeDescriptorMapped packagesSources
J2312 Inj naloxone hcl nos, 0.01mg 16 CMS
⚠ A crosswalk is not coverage: an NDC↔HCPCS mapping does not guarantee any payer covers or pays the code. Always verify the current payer policy before billing.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.