1 daytime (acetaminophen 500 mg / dextromethorphan HBr 20 mg Granules for Oral Solution) / 1 nighttime (acetaminophen 650 mg / diphenhydrAMINE HCl 25 mg Granules for Oral Solution) Pack
RxNorm 2679426

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2679426 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 / dextromethorphan HBr 20 mg Granules for Oral Solution) / 1 nighttime (acetaminophen 650 mg / diphenhydrAMINE HCl 25 mg Granules for Oral Solution) Pack.

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

PSN
1 daytime (acetaminophen 500 mg / dextromethorphan HBr 20 mg Granules for Oral Solution) / 1 nighttime (acetaminophen 650 mg / diphenhydrAMINE HCl 25 mg Granules for Oral Solution) Pack
AUI:12883485
View
SY
1 daytime (acetaminophen 500 mg / dextromethorphan HBr 20 mg Granules for Oral Solution) / 1 nighttime (acetaminophen 650 mg / diphenhydramine HCl 25 mg Granules for Oral Solution) Pack
AUI:12883484
View
TMSY
1 daytime (acetaminophen 500 mg / dextromethorphan HBr 20 mg Granules for Oral Solution) / 1 nighttime (acetaminophen 650 mg / diphenhydrAMINE HCl 25 mg Granules for Oral Solution) Pack
AUI:12883798
View
GPCK
{1 (acetaminophen 500 mg / dextromethorphan hydrobromide 20 mg Granules for Oral Solution) / 1 (acetaminophen 650 mg / diphenhydramine hydrochloride 25 mg Granules for Oral Solution) } Pack
AUI:12883483
View
TMSY
{1 (acetaminophen 500 mg / dextromethorphan hydrobromide 20 mg Granules for Oral Solution) / 1 (acetaminophen 650 mg / diphenhydrAMINE hydrochloride 25 mg Granules for Oral Solution) } Pack
AUI:12883793
View
SY
{1 (acetaminophen 500 mg / dextromethorphan hydrobromide 20 mg Powder for Oral Solution) / 1 (acetaminophen 650 mg / diphenhydramine hydrochloride 25 mg Powder for Oral Solution) } Pack
AUI:12883488
View
TMSY
{1 (acetaminophen 500 mg / dextromethorphan hydrobromide 20 mg Powder for Oral Solution) / 1 (acetaminophen 650 mg / diphenhydrAMINE hydrochloride 25 mg Powder for Oral Solution) } Pack
AUI:12883794
View

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

PSNPrescribable

Prescribable Name (PSN):
1 daytime (acetaminophen 500 mg / dextromethorphan HBr 20 mg Granules for Oral Solution) / 1 nighttime (acetaminophen 650 mg / diphenhydrAMINE HCl 25 mg Granules for Oral Solution) Pack
(Atom ID: 12883485)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
1 daytime (acetaminophen 500 MG / dextromethorphan HBr 20 MG Granules for Oral Solution) / 1 nighttime (acetaminophen 650 MG / diphenhydrAMINE HCl 25 MG Granules for Oral Solution) Pack
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
2679426
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12883485
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
2679426
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.
SYPrescribable

Synonym (SY):
1 daytime (acetaminophen 500 mg / dextromethorphan HBr 20 mg Granules for Oral Solution) / 1 nighttime (acetaminophen 650 mg / diphenhydramine HCl 25 mg Granules for Oral Solution) Pack
(Atom ID: 12883484)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
1 daytime (acetaminophen 500 MG / dextromethorphan HBr 20 MG Granules for Oral Solution) / 1 nighttime (acetaminophen 650 MG / diphenhydramine HCl 25 MG Granules for Oral Solution) Pack
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
2679426
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12883484
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
2679426
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.
TMSYPrescribable

Tall Man Lettering Synonym (TMSY):
1 daytime (acetaminophen 500 mg / dextromethorphan HBr 20 mg Granules for Oral Solution) / 1 nighttime (acetaminophen 650 mg / diphenhydrAMINE HCl 25 mg Granules for Oral Solution) Pack
(Atom ID: 12883798)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
1 daytime (acetaminophen 500 MG / dextromethorphan HBr 20 MG Granules for Oral Solution) / 1 nighttime (acetaminophen 650 MG / diphenhydrAMINE HCl 25 MG Granules for Oral Solution) Pack
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
2679426
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12883798
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
2679426
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.
GPCKPrescribable

Generic Pack (GPCK):
{1 (acetaminophen 500 mg / dextromethorphan hydrobromide 20 mg Granules for Oral Solution) / 1 (acetaminophen 650 mg / diphenhydramine hydrochloride 25 mg Granules for Oral Solution) } Pack
(Atom ID: 12883483)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
{1 (acetaminophen 500 MG / dextromethorphan hydrobromide 20 MG Granules for Oral Solution) / 1 (acetaminophen 650 MG / diphenhydramine hydrochloride 25 MG Granules for Oral Solution) } Pack
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
2679426
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12883483
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
2679426
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 HUMAN DRUG
US
Drug available for use in Humans
TMSYPrescribable

Tall Man Lettering Synonym (TMSY):
{1 (acetaminophen 500 mg / dextromethorphan hydrobromide 20 mg Granules for Oral Solution) / 1 (acetaminophen 650 mg / diphenhydrAMINE hydrochloride 25 mg Granules for Oral Solution) } Pack
(Atom ID: 12883793)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
{1 (acetaminophen 500 MG / dextromethorphan hydrobromide 20 MG Granules for Oral Solution) / 1 (acetaminophen 650 MG / diphenhydrAMINE hydrochloride 25 MG Granules for Oral Solution) } Pack
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
2679426
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12883793
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
2679426
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.
SYPrescribable

Synonym (SY):
{1 (acetaminophen 500 mg / dextromethorphan hydrobromide 20 mg Powder for Oral Solution) / 1 (acetaminophen 650 mg / diphenhydramine hydrochloride 25 mg Powder for Oral Solution) } Pack
(Atom ID: 12883488)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
{1 (acetaminophen 500 MG / dextromethorphan hydrobromide 20 MG Powder for Oral Solution) / 1 (acetaminophen 650 MG / diphenhydramine hydrochloride 25 MG Powder for Oral Solution) } Pack
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
2679426
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12883488
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
2679426
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.
TMSYPrescribable

Tall Man Lettering Synonym (TMSY):
{1 (acetaminophen 500 mg / dextromethorphan hydrobromide 20 mg Powder for Oral Solution) / 1 (acetaminophen 650 mg / diphenhydrAMINE hydrochloride 25 mg Powder for Oral Solution) } Pack
(Atom ID: 12883794)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
{1 (acetaminophen 500 MG / dextromethorphan hydrobromide 20 MG Powder for Oral Solution) / 1 (acetaminophen 650 MG / diphenhydrAMINE hydrochloride 25 MG Powder for Oral Solution) } Pack
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
2679426
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12883794
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
2679426
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.