Ganciclovir 250 mg
RxNorm 330440

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 330440 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: ganciclovir 250 mg.

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

SCDC
Ganciclovir 250 mg
AUI:12271098
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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.

SCDC

Semantic Clinical Drug Component (SCDC):
Ganciclovir 250 mg
(Atom ID: 12271098)

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
ganciclovir 250 MG
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)
330440
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12271098
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCDC
Semantic Clinical Drug Component (Ingredient + Strength)
Source Code
330440
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 BOSS STRENGTH DENOM UNIT
1
RXN Boss Strength Denom Unit
RXN BOSS STRENGTH DENOM VALUE
1
RXN Boss Strength Denom Value
RXN BOSS STRENGTH NUM UNIT
MG
RXN Boss Strength Num Unit
RXN BOSS STRENGTH NUM VALUE
250
RXN Boss Strength Num Value
RXN STRENGTH
250 MG
Strength plus unit of SCDC

Patient Education

Ganciclovir


Ganciclovir capsules are used to treat cytomegalovirus (CMV) retinitis (eye infection that can cause blindness) in people whose immune system is not working normally. Ganciclovir capsules are used to treat CMV retinitis after the condition has been controlled by intravenous (injected into a vein) ganciclovir. Ganciclovir is also used to prevent cytomegalovirus (CMV) disease in people who have acquired immunodeficiency syndrome (AIDS) or who have received an organ transplant and are at risk of CMV disease. Ganciclovir is in a class of medications called antivirals. It works by preventing the spread of CMV disease or slowing the growth of CMV.
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