Benzonatate Oral Capsule [Zonatuss]
RxNorm 904389

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 904389 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: benzonatate Oral Capsule [Zonatuss].

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

SBDF
Benzonatate Oral Capsule [Zonatuss]
AUI:3066218
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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.

SBDF

Semantic Branded Drug Form (SBDF):
Benzonatate Oral Capsule [Zonatuss]
(Atom ID: 3066218)

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
benzonatate Oral Capsule [Zonatuss]
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)
904389
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3066218
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBDF
Semantic Branded Drug Form (Ingredient + Dose Form + Brand Name)
Source Code
904389
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 OBSOLETED
04/28/2026
Date the RxNorm atom became obsolete

Patient Education

Benzonatate


Benzonatate is used to relieve cough. Benzonatate is in a class of medications called antitussives (cough suppressants). It works by reducing the cough reflex in the lungs and air passages.
[Learn More]


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