Ledipasvir 90 mg / sofosbuvir 400 mg [Harvoni]
RxNorm 1591945

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1591945 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: ledipasvir 90 mg / sofosbuvir 400 mg [Harvoni].

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

SBDC
Ledipasvir 90 mg / sofosbuvir 400 mg [Harvoni]
AUI:6798295
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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.

SBDCPrescribable

Semantic Branded Drug Component (SBDC):
Ledipasvir 90 mg / sofosbuvir 400 mg [Harvoni]
(Atom ID: 6798295)

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
ledipasvir 90 MG / sofosbuvir 400 MG [Harvoni]
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)
1591945
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6798295
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBDC
Semantic Branded Drug Component (Ingredient + Strength + Brand Name)
Source Code
1591945
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

Ledipasvir and Sofosbuvir


The combination of ledipasvir and sofosbuvir is used alone or in combination with ribavirin (Copegus, Rebetol, Ribasphere, others) to treat certain types of chronic hepatitis C (an ongoing viral infection that damages the liver) in adults and children 3 years of age and older. Sofosbuvir is in a class of antiviral medications called nucleotide polymerase inhibitors. It works by decreasing the amount of hepatitis C virus (HCV) in the body. Ledipasvir is in a class of antiviral medications called HCV NS5A inhibitors. It works by stopping the virus that causes hepatitis C from spreading inside the body.
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