Pirbuterol acetate 200 mcg/INHAL Metered Dose Inhaler, 400 Actuations
RxNorm 966811

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 966811 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: pirbuterol acetate 200 mcg/INHAL Metered Dose Inhaler, 400 Actuations.

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

SCD
400 ACTUAT pirbuterol acetate 0.2 mg/ACTUAT Metered Dose Inhaler
Primary clinical definition
AUI:12324688
View
SY
Pirbuterol acetate 0.2 mg/ACTUAT Metered Dose Inhaler, 400 ACTUAT
AUI:3069252
View
SY
Pirbuterol acetate 200 mcg/ACTUAT Metered Dose Inhaler, 400 ACTUAT
AUI:3264459
View
PSN
Pirbuterol acetate 200 mcg/INHAL Metered Dose Inhaler, 400 Actuations
AUI:6364613
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This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SCDPrescribable

Semantic Clinical Drug (SCD):
400 ACTUAT pirbuterol acetate 0.2 mg/ACTUAT Metered Dose Inhaler
(Atom ID: 12324688)

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
400 ACTUAT pirbuterol acetate 0.2 MG/ACTUAT Metered Dose Inhaler
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)
966811
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12324688
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
966811
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
{966806} 221142
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{966806} 33767
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AVAILABLE STRENGTH
0.2 MG/ACTUAT
Available drug strengths listed in the order of ingredients from the drug
RXN BOSS FROM
{966806} AM
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 QUANTITY
400 ACTUAT
Normal Form quantity factor
RXTERM FORM
MDI
The RxTerm dose form name for this drug
SYPrescribable

Synonym (SY):
Pirbuterol acetate 0.2 mg/ACTUAT Metered Dose Inhaler, 400 ACTUAT
(Atom ID: 3069252)

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
pirbuterol acetate 0.2 MG/ACTUAT Metered Dose Inhaler, 400 ACTUAT
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)
966811
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3069252
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
966811
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):
Pirbuterol acetate 200 mcg/ACTUAT Metered Dose Inhaler, 400 ACTUAT
(Atom ID: 3264459)

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
pirbuterol acetate 200 MCG/ACTUAT Metered Dose Inhaler, 400 ACTUAT
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)
966811
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3264459
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
966811
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.
PSNPrescribable

Prescribable Name (PSN):
Pirbuterol acetate 200 mcg/INHAL Metered Dose Inhaler, 400 Actuations
(Atom ID: 6364613)

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
pirbuterol acetate 200 MCG/INHAL Metered Dose Inhaler, 400 Actuations
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)
966811
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6364613
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
966811
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.

Patient Education

Pirbuterol Acetate Oral Inhalation


Pirbuterol is used to prevent and treat wheezing, shortness of breath, coughing, and chest tightness caused by asthma, chronic bronchitis, emphysema, and other lung diseases. Pirbuterol is in a class of medications called beta-agonist bronchodilators. It works by relaxing and opening air passages in the lungs, making it easier to breathe.
[Learn More]


* Please review the disclaimer below.