Duo-Medihaler 0.16/0.24 mg/INHAL Metered Dose Inhaler, 300 Actuations
RxNorm 1299669

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1299669 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: Duo-Medihaler 0.16/0.24 mg/INHAL Metered Dose Inhaler, 300 Actuations.

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

SBD
300 ACTUAT isoproterenol hydrochloride 0.16 mg/ACTUAT / phenylephrine bitartrate 0.24 mg/ACTUAT Metered Dose Inhaler [Duo-Medihaler]
AUI:12360422
View
SY
Duo-Medihaler (isoproterenol hydrochloride 0.16 mg / phenylephrine bitartrate 0.24 mg) per ACTUAT Metered Dose Inhaler, 300 ACTUAT
AUI:4624240
View
PSN
Duo-Medihaler 0.16/0.24 mg/INHAL Metered Dose Inhaler, 300 Actuations
AUI:6366294
View

This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SBD

Semantic Branded Drug (SBD):
300 ACTUAT isoproterenol hydrochloride 0.16 mg/ACTUAT / phenylephrine bitartrate 0.24 mg/ACTUAT Metered Dose Inhaler [Duo-Medihaler]
(Atom ID: 12360422)

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 0.16 MG/ACTUAT / phenylephrine bitartrate 0.24 MG/ACTUAT Metered Dose Inhaler [Duo-Medihaler]
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)
1299669
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12360422
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBD
Semantic Branded Drug (Ingredient + Strength + Dose Form + Brand Name)
Source Code
1299669
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
SY

Synonym (SY):
Duo-Medihaler (isoproterenol hydrochloride 0.16 mg / phenylephrine bitartrate 0.24 mg) per ACTUAT Metered Dose Inhaler, 300 ACTUAT
(Atom ID: 4624240)

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
Duo-Medihaler (isoproterenol hydrochloride 0.16 MG / phenylephrine bitartrate 0.24 MG) per 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)
1299669
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4624240
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1299669
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):
Duo-Medihaler 0.16/0.24 mg/INHAL Metered Dose Inhaler, 300 Actuations
(Atom ID: 6366294)

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
Duo-Medihaler 0.16/0.24 MG/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)
1299669
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6366294
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
1299669
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.