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Naltrexone 380 MG Injection [Vivitrol] — RxCUI 637216

Name: Naltrexone 380 MG Injection [Vivitrol] (RxCUI 637216)
Creator: Brian Staiger, PharmD

RxNorm drug concept · Semantic branded drug

RxCUI 637216 Semantic branded drug · SBD ● Current RxNorm concept 2 FDA products 2 package NDCs Snapshot Jul 14, 2026

This page is curated, coded, and maintained by Dr. Brian Staiger, PharmD

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

RxCUI637216

Official nameNaltrexone 380 MG Injection [Vivitrol]

Concept typeSemantic branded drug (SBD)

RxNorm statusCurrent RxNorm concept

Also known asVivitrol 380 MG Injection

FDA products mapped2

Package NDCs mapped2

Reported Medicaid activity (SDUD)234,479 prescriptions · 49 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 Naltrexone: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist

Yes — this is really important. You need to be completely free of opioids, including tramadol, for at least 7 to 10 days before your first dose or injection. If you start too soon,...
Do I have to stop my pain pills before starting naltrexone?
No. Naltrexone has no opioid-like effect on its own — it won't make you feel high or sedated. And if you're opioid-free when you start it, you won't feel withdrawal either. It's on...
Will naltrexone make me feel high or cause withdrawal if I'm not on opioids?

📖 Read our full Naltrexone guide →

🕸️ Concept Web — How Naltrexone 380 MG Injection [Vivitrol] 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 Naltrexone 380 MG Injection [Vivitrol] RxCUI 637216 Semantic branded drug · SBD

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

Ingredients 1

The active substance itself — no strength, form, or brand attached yet.
- Naltrexone 7243 IN
Brand names 1

The same medicine's trade names. A brand name alone says nothing about strength or form.
- Vivitrol 636556 BN
Dose forms 6

The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
- Naltrexone Injection 1740871 SCDF
- Naltrexone Injectable Product 1156981 SCDG
- Naltrexone Injection [Vivitrol] 1740874 SBDF
- Vivitrol Injectable Product 1187405 SBDG
- Injection 1649574 DF
- Injectable Product 1151126 DFG
Clinical & branded drugs 3

Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
- Naltrexone 380 MG Injection 637213 SCD
- Naltrexone 380 MG 1740870 SCDC
- Naltrexone 380 MG [Vivitrol] 1740873 SBDC

Showing up to 8 concepts per family — 11 of 11 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

Naltrexone 380 MG Injection SCD · 637213
Naltrexone 380 MG SCDC · 1740870
Naltrexone Injection SCDF · 1740871
Naltrexone Injectable Product SCDG · 1156981

Brand-Name Concepts

Naltrexone 380 MG [Vivitrol] SBDC · 1740873
Naltrexone Injection [Vivitrol] SBDF · 1740874
Vivitrol Injectable Product SBDG · 1187405
Vivitrol BN · 636556

📦 FDA Products & Package NDCs

2 products · 2 package NDCs

2 package NDCs map to RxCUI 637216 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
65757-0300-01	1 KIT in 1 CARTON (65757-300-01) * 4 mL in 1 VIAL, GLASS (...	VIVITROL	Alkermes, Inc.	2006-06-13
65757-0301-01	1 KIT in 1 CARTON (65757-301-01) * 4 mL in 1 VIAL, GLASS (...	VIVITROL	Alkermes, Inc.	2006-06-13

Observed labelers: Alkermes, Inc. (2) — 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.

Code	Descriptor	Mapped packages	Sources
J2315	Naltrexone, depot form	1	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.