1 daytime (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 nighttime (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) Pack
RxNorm 1291718

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1291718 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: 1 daytime (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 nighttime (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) Pack.

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

PSN
1 daytime (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 nighttime (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) Pack
AUI:12809444
View
SY
1 daytime (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 nighttime (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) Pack
AUI:12809669
View
TMSY
1 daytime (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 nighttime (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) Pack
AUI:12810140
View
GPCK
{1 (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 (acetaminophen 500 mg / diphenhydramine hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) } Pack
AUI:12809057
View
TMSY
{1 (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) } Pack
AUI:12809602
View

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

PSN

Prescribable Name (PSN):
1 daytime (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 nighttime (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) Pack
(Atom ID: 12809444)

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
1 daytime (acetaminophen 500 MG / chlorpheniramine maleate 2 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) / 1 nighttime (acetaminophen 500 MG / diphenhydrAMINE hydrochloride 25 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) Pack
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)
1291718
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12809444
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PSN
Prescribable Name (Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.)
Source Code
1291718
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.
SY

Synonym (SY):
1 daytime (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 nighttime (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) Pack
(Atom ID: 12809669)

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
1 daytime (acetaminophen 500 MG / chlorpheniramine maleate 2 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) / 1 nighttime (acetaminophen 500 MG / diphenhydrAMINE hydrochloride 25 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) Pack
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)
1291718
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12809669
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1291718
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):
1 daytime (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 nighttime (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) Pack
(Atom ID: 12810140)

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
1 daytime (acetaminophen 500 MG / chlorpheniramine maleate 2 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) / 1 nighttime (acetaminophen 500 MG / diphenhydrAMINE hydrochloride 25 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) Pack
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)
1291718
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12810140
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
1291718
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.
GPCK

Generic Pack (GPCK):
{1 (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 (acetaminophen 500 mg / diphenhydramine hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) } Pack
(Atom ID: 12809057)

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
{1 (acetaminophen 500 MG / chlorpheniramine maleate 2 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) / 1 (acetaminophen 500 MG / diphenhydramine hydrochloride 25 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) } Pack
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)
1291718
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12809057
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
GPCK
Generic Pack ({# (Ingredient + Strength + Dose Form) / # (Ingredient + Strength + Dose Form)} Pack)
Source Code
1291718
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
06/27/2023
Date the RxNorm atom became obsolete
TMSY

Tall Man Lettering Synonym (TMSY):
{1 (acetaminophen 500 mg / chlorpheniramine maleate 2 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) / 1 (acetaminophen 500 mg / diphenhydrAMINE hydrochloride 25 mg / pseudoephedrine hydrochloride 30 mg Oral Tablet) } Pack
(Atom ID: 12809602)

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
{1 (acetaminophen 500 MG / chlorpheniramine maleate 2 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) / 1 (acetaminophen 500 MG / diphenhydrAMINE hydrochloride 25 MG / pseudoephedrine hydrochloride 30 MG Oral Tablet) } Pack
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)
1291718
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12809602
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
1291718
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.