Citric acid 35 mg / dextromethorphan hydrobromide 10 mg / guaifenesin 100 mg / potassium citrate 85 mg per 5 mL Oral Solution
RxNorm 1421887

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1421887 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: citric acid 35 mg / dextromethorphan hydrobromide 10 mg / guaifenesin 100 mg / potassium citrate 85 mg per 5 mL Oral Solution.

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

SCD
Citric acid 7 mg/ML / dextromethorphan hydrobromide 2 mg/ML / guaifenesin 20 mg/ML / potassium citrate 17 mg/ML Oral Solution
Primary clinical definition
AUI:12347124
View
SY
Citric acid 35 mg / dextromethorphan hydrobromide 10 mg / guaifenesin 100 mg / potassium citrate 85 mg per 5 mL Oral Solution
AUI:5463896
View
TMSY
Citric acid 35 mg / dextromethorphan hydrobromide 10 mg / guaiFENesin 100 mg / potassium citrate 85 mg per 5 mL Oral Solution
AUI:5463930
View
SY
Citric Acid 7 mg/ML / Dextromethorphan Hydrobromide 2 mg/ML / Guaifenesin 20 mg/ML / K+ citrate 17 mg/ML Oral Solution
AUI:5463915
View
TMSY
Citric Acid 7 mg/ML / Dextromethorphan Hydrobromide 2 mg/ML / guaiFENesin 20 mg/ML / K+ citrate 17 mg/ML Oral Solution
AUI:5463938
View
SY
Citric Acid 7 mg/ML / Dextromethorphan Hydrobromide 2 mg/ML / Guaifenesin 20 mg/ML / Pot citrate 17 mg/ML Oral Solution
AUI:5463914
View
TMSY
Citric Acid 7 mg/ML / Dextromethorphan Hydrobromide 2 mg/ML / guaiFENesin 20 mg/ML / Pot citrate 17 mg/ML Oral Solution
AUI:5463917
View
TMSY
Citric acid 7 mg/ML / dextromethorphan hydrobromide 2 mg/ML / guaiFENesin 20 mg/ML / potassium citrate 17 mg/ML Oral Solution
AUI:12384762
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):
Citric acid 7 mg/ML / dextromethorphan hydrobromide 2 mg/ML / guaifenesin 20 mg/ML / potassium citrate 17 mg/ML Oral Solution
(Atom ID: 12347124)

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
citric acid 7 MG/ML / dextromethorphan hydrobromide 2 MG/ML / guaifenesin 20 MG/ML / potassium citrate 17 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)
1421887
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12347124
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
1421887
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
{316011} 5032
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{360433} 21183
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{996519} 102490
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{316011} 5032
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{360433} 21183
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{996519} 3289
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{316011} 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
{360433} 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
{996519} 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):
Citric acid 35 mg / dextromethorphan hydrobromide 10 mg / guaifenesin 100 mg / potassium citrate 85 mg per 5 mL Oral Solution
(Atom ID: 5463896)

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
citric acid 35 MG / dextromethorphan hydrobromide 10 MG / guaifenesin 100 MG / potassium citrate 85 MG per 5 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)
1421887
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
5463896
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1421887
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):
Citric acid 35 mg / dextromethorphan hydrobromide 10 mg / guaiFENesin 100 mg / potassium citrate 85 mg per 5 mL Oral Solution
(Atom ID: 5463930)

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
citric acid 35 MG / dextromethorphan hydrobromide 10 MG / guaiFENesin 100 MG / potassium citrate 85 MG per 5 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)
1421887
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
5463930
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
1421887
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):
Citric Acid 7 mg/ML / Dextromethorphan Hydrobromide 2 mg/ML / Guaifenesin 20 mg/ML / K+ citrate 17 mg/ML Oral Solution
(Atom ID: 5463915)

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
Citric Acid 7 MG/ML / Dextromethorphan Hydrobromide 2 MG/ML / Guaifenesin 20 MG/ML / K+ citrate 17 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)
1421887
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
5463915
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1421887
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):
Citric Acid 7 mg/ML / Dextromethorphan Hydrobromide 2 mg/ML / guaiFENesin 20 mg/ML / K+ citrate 17 mg/ML Oral Solution
(Atom ID: 5463938)

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
Citric Acid 7 MG/ML / Dextromethorphan Hydrobromide 2 MG/ML / guaiFENesin 20 MG/ML / K+ citrate 17 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)
1421887
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
5463938
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
1421887
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):
Citric Acid 7 mg/ML / Dextromethorphan Hydrobromide 2 mg/ML / Guaifenesin 20 mg/ML / Pot citrate 17 mg/ML Oral Solution
(Atom ID: 5463914)

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
Citric Acid 7 MG/ML / Dextromethorphan Hydrobromide 2 MG/ML / Guaifenesin 20 MG/ML / Pot citrate 17 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)
1421887
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
5463914
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1421887
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):
Citric Acid 7 mg/ML / Dextromethorphan Hydrobromide 2 mg/ML / guaiFENesin 20 mg/ML / Pot citrate 17 mg/ML Oral Solution
(Atom ID: 5463917)

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
Citric Acid 7 MG/ML / Dextromethorphan Hydrobromide 2 MG/ML / guaiFENesin 20 MG/ML / Pot citrate 17 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)
1421887
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
5463917
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
1421887
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):
Citric acid 7 mg/ML / dextromethorphan hydrobromide 2 mg/ML / guaiFENesin 20 mg/ML / potassium citrate 17 mg/ML Oral Solution
(Atom ID: 12384762)

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
citric acid 7 MG/ML / dextromethorphan hydrobromide 2 MG/ML / guaiFENesin 20 MG/ML / potassium citrate 17 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)
1421887
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12384762
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
1421887
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.