Isoproterenol HCl 131 mcg/INHAL Metered Dose Inhaler, 300 Actuations
RxNorm 1299682

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1299682 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: isoproterenol HCl 131 mcg/INHAL Metered Dose Inhaler, 300 Actuations.

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

SCD
300 ACTUAT isoproterenol hydrochloride 0.131 mg/ACTUAT Metered Dose Inhaler
Primary clinical definition
AUI:12345735
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PSN
Isoproterenol HCl 131 mcg/INHAL Metered Dose Inhaler, 300 Actuations
AUI:6370108
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SY
Isoproterenol hydrochloride 130 mcg/ACTUAT Metered Dose Inhaler, 300 ACTUAT
AUI:4624301
View
SY
Isoproterenol hydrochloride 131 mcg/ACTUAT Metered Dose Inhaler, 300 ACTUAT
AUI:4624300
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):
300 ACTUAT isoproterenol hydrochloride 0.131 mg/ACTUAT Metered Dose Inhaler
(Atom ID: 12345735)

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
300 ACTUAT isoproterenol hydrochloride 0.131 MG/ACTUAT Metered Dose Inhaler
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)
1299682
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12345735
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
1299682
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
RXN QUANTITY
300 ACTUAT
Normal Form quantity factor
RXTERM FORM
MDI
The RxTerm dose form name for this drug
PSN

Prescribable Name (PSN):
Isoproterenol HCl 131 mcg/INHAL Metered Dose Inhaler, 300 Actuations
(Atom ID: 6370108)

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
isoproterenol HCl 131 MCG/INHAL Metered Dose Inhaler, 300 Actuations
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)
1299682
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6370108
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
1299682
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):
Isoproterenol hydrochloride 130 mcg/ACTUAT Metered Dose Inhaler, 300 ACTUAT
(Atom ID: 4624301)

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
isoproterenol hydrochloride 130 MCG/ACTUAT Metered Dose Inhaler, 300 ACTUAT
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)
1299682
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4624301
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1299682
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):
Isoproterenol hydrochloride 131 mcg/ACTUAT Metered Dose Inhaler, 300 ACTUAT
(Atom ID: 4624300)

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
isoproterenol hydrochloride 131 MCG/ACTUAT Metered Dose Inhaler, 300 ACTUAT
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)
1299682
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4624300
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1299682
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.