Meclizine hydrochloride 32 mg
RxNorm 995691

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 995691 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: meclizine hydrochloride 32 mg.

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

SCDC
Meclizine hydrochloride 32 mg
AUI:12273283
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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):
Meclizine hydrochloride 32 mg
(Atom ID: 12273283)

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
meclizine hydrochloride 32 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)
995691
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12273283
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCDC
Semantic Clinical Drug Component (Ingredient + Strength)
Source Code
995691
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 IN EXPRESSED FLAG
P
Strength Expressed As Precise Flag
RXN OBSOLETED
04/30/2020
Date the RxNorm atom became obsolete
RXN STRENGTH
32 MG
Strength plus unit of SCDC