Ivacaftor / lumacaftor Oral Product
RxNorm 1655924

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1655924 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: ivacaftor / lumacaftor Oral Product.

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

SCDG
Ivacaftor / lumacaftor Oral Product
AUI:7248437
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PT
Ivacaftor- and lumacaftor-containing product in oral dose form
AUI:10805568
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FN
Product containing ivacaftor and lumacaftor in oral dose form (medicinal product form)
AUI:10811453
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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.

SCDGPrescribable

Semantic Clinical Dose Form Group (SCDG):
Ivacaftor / lumacaftor Oral Product
(Atom ID: 7248437)

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
ivacaftor / lumacaftor Oral Product
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)
1655924
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
7248437
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCDG
Semantic Clinical Dose Form Group (Ingredient + Dose Form Group)
Source Code
1655924
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 AVAILABLE STRENGTH
125 MG / 100 MG
Available drug strengths listed in the order of ingredients from the drug
RXN AVAILABLE STRENGTH
125 MG / 200 MG
Available drug strengths listed in the order of ingredients from the drug
RXN AVAILABLE STRENGTH
188 MG / 150 MG
Available drug strengths listed in the order of ingredients from the drug
RXN AVAILABLE STRENGTH
94 MG / 75 MG
Available drug strengths listed in the order of ingredients from the drug
PTPrescribable

Designated preferred name (PT):
Ivacaftor- and lumacaftor-containing product in oral dose form
(Atom ID: 10805568)

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
Ivacaftor- and lumacaftor-containing product in oral dose form
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)
1655924
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
10805568
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PT
Designated preferred name ()
Source Code
764335004
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
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
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.
FNPrescribable

Full form of descriptor (FN):
Product containing ivacaftor and lumacaftor in oral dose form (medicinal product form)
(Atom ID: 10811453)

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
Product containing ivacaftor and lumacaftor in oral dose form (medicinal product form)
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)
1655924
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
10811453
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
FN
Full form of descriptor ()
Source Code
764335004
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
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
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.