Acetaminophen 300 mg / chlorpheniramine maleate 2.5 mg / guaiFENesin 83.3 mg in 30 mL Oral Solution
RxNorm 1302428

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1302428 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: acetaminophen 300 mg / chlorpheniramine maleate 2.5 mg / guaiFENesin 83.3 mg in 30 mL Oral Solution.

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

SCD
Acetaminophen 10 mg/ML / chlorpheniramine maleate 0.083 mg/ML / guaifenesin 2.78 mg/ML Oral Solution
Primary clinical definition
AUI:12331767
View
TMSY
Acetaminophen 10 mg/ML / chlorpheniramine maleate 0.083 mg/ML / guaiFENesin 2.78 mg/ML Oral Solution
AUI:12378040
View
PSN
Acetaminophen 300 mg / chlorpheniramine maleate 2.5 mg / guaiFENesin 83.3 mg in 30 mL Oral Solution
AUI:8244635
View
SY
Acetaminophen 300 mg / chlorpheniramine maleate 2.5 mg / guaifenesin 83.3 mg per 30 mL Oral Solution
AUI:4647027
View
TMSY
Acetaminophen 300 mg / chlorpheniramine maleate 2.5 mg / guaiFENesin 83.3 mg per 30 mL Oral Solution
AUI:4647344
View
SY
APAP 10 mg/ML / Chlorpheniramine Maleate 0.083 mg/ML / Guaifenesin 2.78 mg/ML Oral Solution
AUI:4647330
View
TMSY
APAP 10 mg/ML / Chlorpheniramine Maleate 0.083 mg/ML / guaiFENesin 2.78 mg/ML Oral Solution
AUI:4647349
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):
Acetaminophen 10 mg/ML / chlorpheniramine maleate 0.083 mg/ML / guaifenesin 2.78 mg/ML Oral Solution
(Atom ID: 12331767)

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
acetaminophen 10 MG/ML / chlorpheniramine maleate 0.083 MG/ML / guaifenesin 2.78 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)
1302428
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12331767
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
1302428
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
{483015} 161
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{483015} 161
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{483015} 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
TMSY

Tall Man Lettering Synonym (TMSY):
Acetaminophen 10 mg/ML / chlorpheniramine maleate 0.083 mg/ML / guaiFENesin 2.78 mg/ML Oral Solution
(Atom ID: 12378040)

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
acetaminophen 10 MG/ML / chlorpheniramine maleate 0.083 MG/ML / guaiFENesin 2.78 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)
1302428
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12378040
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
1302428
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.
PSN

Prescribable Name (PSN):
Acetaminophen 300 mg / chlorpheniramine maleate 2.5 mg / guaiFENesin 83.3 mg in 30 mL Oral Solution
(Atom ID: 8244635)

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
acetaminophen 300 MG / chlorpheniramine maleate 2.5 MG / guaiFENesin 83.3 MG in 30 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)
1302428
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
8244635
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
1302428
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):
Acetaminophen 300 mg / chlorpheniramine maleate 2.5 mg / guaifenesin 83.3 mg per 30 mL Oral Solution
(Atom ID: 4647027)

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
acetaminophen 300 MG / chlorpheniramine maleate 2.5 MG / guaifenesin 83.3 MG per 30 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)
1302428
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4647027
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1302428
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):
Acetaminophen 300 mg / chlorpheniramine maleate 2.5 mg / guaiFENesin 83.3 mg per 30 mL Oral Solution
(Atom ID: 4647344)

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
acetaminophen 300 MG / chlorpheniramine maleate 2.5 MG / guaiFENesin 83.3 MG per 30 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)
1302428
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4647344
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
1302428
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):
APAP 10 mg/ML / Chlorpheniramine Maleate 0.083 mg/ML / Guaifenesin 2.78 mg/ML Oral Solution
(Atom ID: 4647330)

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
APAP 10 MG/ML / Chlorpheniramine Maleate 0.083 MG/ML / Guaifenesin 2.78 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)
1302428
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4647330
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1302428
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):
APAP 10 mg/ML / Chlorpheniramine Maleate 0.083 mg/ML / guaiFENesin 2.78 mg/ML Oral Solution
(Atom ID: 4647349)

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
APAP 10 MG/ML / Chlorpheniramine Maleate 0.083 MG/ML / guaiFENesin 2.78 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)
1302428
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4647349
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
1302428
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.