Mercaptopurine Oral Tablet [Purinethol]
RxNorm 368861

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 368861 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: mercaptopurine Oral Tablet [Purinethol].

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

SBDF
Mercaptopurine Oral Tablet [Purinethol]
AUI:3501303
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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.

SBDF

Semantic Branded Drug Form (SBDF):
Mercaptopurine Oral Tablet [Purinethol]
(Atom ID: 3501303)

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
mercaptopurine Oral Tablet [Purinethol]
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)
368861
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3501303
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBDF
Semantic Branded Drug Form (Ingredient + Dose Form + Brand Name)
Source Code
368861
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 ACTIVATED
01/30/2024
Date the RxNorm atom was reactivated
RXN ACTIVATED
02/24/2021
Date the RxNorm atom was reactivated
RXN OBSOLETED
04/26/2018
Date the RxNorm atom became obsolete
RXN OBSOLETED
07/30/2024
Date the RxNorm atom became obsolete
RXN OBSOLETED
07/31/2023
Date the RxNorm atom became obsolete

Patient Education

Mercaptopurine


Mercaptopurine is used alone or with other chemotherapy drugs to treat acute lymphocytic leukemia (ALL; also called acute lymphoblastic leukemia and acute lymphatic leukemia; a type of cancer that begins in the white blood cells). Mercaptopurine is in a class of medications called purine antagonists. It works by stopping the growth of cancer cells.
[Learn More]


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