Acetaminophen 21.7 mg/mL / dextromethorphan HBr 1 mg/mL Oral Solution
RxNorm 2168792

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2168792 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 21.7 mg/mL / dextromethorphan HBr 1 mg/mL Oral Solution.

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

SCD
Acetaminophen 21.7 mg/ML / dextromethorphan hydrobromide 1 mg/ML Oral Solution
Primary clinical definition
AUI:12335006
View
PSN
Acetaminophen 21.7 mg/mL / dextromethorphan HBr 1 mg/mL Oral Solution
AUI:13062444
View
SY
Acetaminophen 650 mg / dextromethorphan hydrobromide 30 mg per 30 mL Oral Solution
AUI:13062445
View
SY
APAP 21.7 mg/ML / Dextromethorphan Hydrobromide 1 mg/ML Oral Solution
AUI:11418307
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 21.7 mg/ML / dextromethorphan hydrobromide 1 mg/ML Oral Solution
(Atom ID: 12335006)

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 21.7 MG/ML / dextromethorphan hydrobromide 1 MG/ML Oral Solution
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)
2168792
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12335006
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
2168792
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_260803F
The specific version of the vocabulary provided by the source.
Update Date
August 03, 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 ACTIVATED
07/28/2026
Date the RxNorm atom was reactivated
RXN AI
{1020137} 102490
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{332581} 161
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{1020137} 3289
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{332581} 161
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AVAILABLE STRENGTH
21.7 MG/ML / 1 MG/ML
Available drug strengths listed in the order of ingredients from the drug
RXN BOSS FROM
{1020137} 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
{332581} 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 HUMAN DRUG
US
Drug available for use in Humans
RXN OBSOLETED
04/30/2020
Date the RxNorm atom became obsolete
RXTERM FORM
Sol
The RxTerm dose form name for this drug
PSN

Prescribable Name (PSN):
Acetaminophen 21.7 mg/mL / dextromethorphan HBr 1 mg/mL Oral Solution
(Atom ID: 13062444)

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 21.7 MG/mL / dextromethorphan HBr 1 MG/mL Oral Solution
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)
2168792
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
13062444
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
2168792
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_260803F
The specific version of the vocabulary provided by the source.
Update Date
August 03, 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 650 mg / dextromethorphan hydrobromide 30 mg per 30 mL Oral Solution
(Atom ID: 13062445)

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 650 MG / dextromethorphan hydrobromide 30 MG per 30 ML Oral Solution
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)
2168792
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
13062445
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
2168792
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_260803F
The specific version of the vocabulary provided by the source.
Update Date
August 03, 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 21.7 mg/ML / Dextromethorphan Hydrobromide 1 mg/ML Oral Solution
(Atom ID: 11418307)

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 21.7 MG/ML / Dextromethorphan Hydrobromide 1 MG/ML Oral Solution
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)
2168792
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11418307
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
2168792
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_260803F
The specific version of the vocabulary provided by the source.
Update Date
August 03, 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.