Carba XP
RxNorm 540043

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 540043 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: Carba XP.

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

BN
Carba XP
AUI:2254007
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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.

BN

Brand Name (BN):
Carba XP
(Atom ID: 2254007)

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
Carba XP
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)
540043
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
2254007
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
BN
Brand Name (A proprietary name for a family of products containing a specific active ingredient.)
Source Code
540043
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 BN CARDINALITY
multi
Cardinality of RxNorm Brand Name Atom
RXN OBSOLETED
09/23/2016
Date the RxNorm atom became obsolete