Chlorpheniramine maleate 0.5 mg/ML / hydrocodone bitartrate 0.334 mg/ML / pseudoephedrine HCl 0.4 mg/ML Oral Solution
RxNorm 406646

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 406646 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: chlorpheniramine maleate 0.5 mg/ML / hydrocodone bitartrate 0.334 mg/ML / pseudoephedrine HCl 0.4 mg/ML Oral Solution.

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

SCD
Chlorpheniramine maleate 0.5 mg/ML / hydrocodone bitartrate 0.334 mg/ML / pseudoephedrine hydrochloride 0.4 mg/ML Oral Solution
Primary clinical definition
AUI:12351026
View
SY
Chlorpheniramine maleate 0.5 mg/ML / hydrocodone bitartrate 0.334 mg/ML / pseudoephedrine HCl 0.4 mg/ML Oral Solution
AUI:11809930
View
TMSY
Chlorpheniramine maleate 0.5 mg/ML / HYDROcodone bitartrate 0.334 mg/ML / pseudoephedrine HCl 0.4 mg/ML Oral Solution
AUI:11810945
View
TMSY
Chlorpheniramine maleate 0.5 mg/ML / HYDROcodone bitartrate 0.334 mg/ML / pseudoephedrine hydrochloride 0.4 mg/ML Oral Solution
AUI:12378789
View

This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SCD

Semantic Clinical Drug (SCD):
Chlorpheniramine maleate 0.5 mg/ML / hydrocodone bitartrate 0.334 mg/ML / pseudoephedrine hydrochloride 0.4 mg/ML Oral Solution
(Atom ID: 12351026)

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
chlorpheniramine maleate 0.5 MG/ML / hydrocodone bitartrate 0.334 MG/ML / pseudoephedrine hydrochloride 0.4 MG/ML Oral Solution
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)
406646
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12351026
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
406646
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 AI
{1236065} 142429
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{857733} 142439
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{1236065} 2400
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{857733} 5489
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{1236065} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{857733} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN OBSOLETED
04/30/2020
Date the RxNorm atom became obsolete
RXTERM FORM
Sol
The RxTerm dose form name for this drug
SY

Synonym (SY):
Chlorpheniramine maleate 0.5 mg/ML / hydrocodone bitartrate 0.334 mg/ML / pseudoephedrine HCl 0.4 mg/ML Oral Solution
(Atom ID: 11809930)

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
chlorpheniramine maleate 0.5 MG/ML / hydrocodone bitartrate 0.334 MG/ML / pseudoephedrine HCl 0.4 MG/ML Oral Solution
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)
406646
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11809930
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
406646
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.
TMSY

Tall Man Lettering Synonym (TMSY):
Chlorpheniramine maleate 0.5 mg/ML / HYDROcodone bitartrate 0.334 mg/ML / pseudoephedrine HCl 0.4 mg/ML Oral Solution
(Atom ID: 11810945)

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
chlorpheniramine maleate 0.5 MG/ML / HYDROcodone bitartrate 0.334 MG/ML / pseudoephedrine HCl 0.4 MG/ML Oral Solution
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)
406646
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11810945
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
TMSY
Tall Man Lettering Synonym (Tall Man Lettering synonym of another TTY, given to distinguish between commonly confused drugs.)
Source Code
406646
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.
TMSY

Tall Man Lettering Synonym (TMSY):
Chlorpheniramine maleate 0.5 mg/ML / HYDROcodone bitartrate 0.334 mg/ML / pseudoephedrine hydrochloride 0.4 mg/ML Oral Solution
(Atom ID: 12378789)

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
chlorpheniramine maleate 0.5 MG/ML / HYDROcodone bitartrate 0.334 MG/ML / pseudoephedrine hydrochloride 0.4 MG/ML Oral Solution
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)
406646
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12378789
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
TMSY
Tall Man Lettering Synonym (Tall Man Lettering synonym of another TTY, given to distinguish between commonly confused drugs.)
Source Code
406646
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.