{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine HCl 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan HCl 30 mg / guaifenesin 600 mg / phenylephrine HCl 15 mg Extended Release Oral Tablet) } Pack
RxNorm 2168998

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2168998 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: {14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine HCl 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan HCl 30 mg / guaifenesin 600 mg / phenylephrine HCl 15 mg Extended Release Oral Tablet) } Pack.

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

SY
{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine HCl 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan HCl 30 mg / guaifenesin 600 mg / phenylephrine HCl 15 mg Extended Release Oral Tablet) } Pack
AUI:11418026
View
TMSY
{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine HCl 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan HCl 30 mg / guaiFENesin 600 mg / phenylephrine HCl 15 mg Extended Release Oral Tablet) } Pack
AUI:11418348
View
GPCK
{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine hydrochloride 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan hydrochloride 30 mg / guaifenesin 600 mg / phenylephrine hydrochloride 15 mg Extended Release Oral Tablet) } Pack
AUI:12372717
View
TMSY
{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine hydrochloride 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan hydrochloride 30 mg / guaiFENesin 600 mg / phenylephrine hydrochloride 15 mg Extended Release Oral Tablet) } Pack
AUI:12383847
View

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

SY

Synonym (SY):
{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine HCl 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan HCl 30 mg / guaifenesin 600 mg / phenylephrine HCl 15 mg Extended Release Oral Tablet) } Pack
(Atom ID: 11418026)

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
{14 (chlorpheniramine maleate 8 MG / methscopolamine nitrate 2.5 MG / phenylephrine HCl 20 MG Extended Release Oral Tablet) / 28 (dextromethorphan HCl 30 MG / guaifenesin 600 MG / phenylephrine HCl 15 MG Extended Release 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)
2168998
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11418026
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
2168998
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):
{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine HCl 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan HCl 30 mg / guaiFENesin 600 mg / phenylephrine HCl 15 mg Extended Release Oral Tablet) } Pack
(Atom ID: 11418348)

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
{14 (chlorpheniramine maleate 8 MG / methscopolamine nitrate 2.5 MG / phenylephrine HCl 20 MG Extended Release Oral Tablet) / 28 (dextromethorphan HCl 30 MG / guaiFENesin 600 MG / phenylephrine HCl 15 MG Extended Release 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)
2168998
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11418348
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
2168998
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):
{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine hydrochloride 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan hydrochloride 30 mg / guaifenesin 600 mg / phenylephrine hydrochloride 15 mg Extended Release Oral Tablet) } Pack
(Atom ID: 12372717)

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
{14 (chlorpheniramine maleate 8 MG / methscopolamine nitrate 2.5 MG / phenylephrine hydrochloride 20 MG Extended Release Oral Tablet) / 28 (dextromethorphan hydrochloride 30 MG / guaifenesin 600 MG / phenylephrine hydrochloride 15 MG Extended Release 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)
2168998
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12372717
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
2168998
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
04/30/2020
Date the RxNorm atom became obsolete
TMSY

Tall Man Lettering Synonym (TMSY):
{14 (chlorpheniramine maleate 8 mg / methscopolamine nitrate 2.5 mg / phenylephrine hydrochloride 20 mg Extended Release Oral Tablet) / 28 (dextromethorphan hydrochloride 30 mg / guaiFENesin 600 mg / phenylephrine hydrochloride 15 mg Extended Release Oral Tablet) } Pack
(Atom ID: 12383847)

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
{14 (chlorpheniramine maleate 8 MG / methscopolamine nitrate 2.5 MG / phenylephrine hydrochloride 20 MG Extended Release Oral Tablet) / 28 (dextromethorphan hydrochloride 30 MG / guaiFENesin 600 MG / phenylephrine hydrochloride 15 MG Extended Release 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)
2168998
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12383847
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
2168998
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.