Aprobarbital 25 mg
RxNorm 336931

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 336931 represents a standardized clinical drug concept used for cross-system interoperability. This concept aggregates multiple Atom IDs (AUIs), which are specific naming variations and synonyms used across pharmaceutical databases to ensure accurate medication mapping for: aprobarbital 25 mg.

The following semantic concepts and normalized strings are associated with this clinical entity:

SCDC
Aprobarbital 25 mg
AUI:2701378
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This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SCDC

Semantic Clinical Drug Component (SCDC):
Aprobarbital 25 mg
(Atom ID: 2701378)

Clinical Status & Identity

Prescribable Status
NO (Reference)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
aprobarbital 25 MG
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
336931
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
2701378
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCDC
Semantic Clinical Drug Component (Ingredient + Strength)
Source Code
336931
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
RxNorm Vocabulary (RXNORM)
The official name and abbreviation for the vocabulary source.
Source Version
20AA_260601F
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
RxNorm Customer Service, , U.S. National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, (888) FIND-NLM, , https://support.nlm.nih.gov/support/create-case/, https://www.nlm.nih.gov/research/umls/rxnorm/
Source licensing contact information.

Technical Attributes & Logic

RXN ACTIVATED
12/01/2015
Date the RxNorm atom was reactivated
RXN OBSOLETED
02/27/2013
Date the RxNorm atom became obsolete
RXN OBSOLETED
05/31/2017
Date the RxNorm atom became obsolete
RXN STRENGTH
25 MG
Strength plus unit of SCDC