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Mercaptopurine 50 MG Oral Tablet — RxCUI 197931

RxNorm drug concept · Semantic clinical drug
RxCUI 197931 Semantic clinical drug · SCD ● Current RxNorm concept 3 FDA products 5 package NDCs Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI197931
Official nameMercaptopurine 50 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped3
Package NDCs mapped5
Reported Medicaid activity (SDUD)20,367 prescriptions · 48 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Mercaptopurine: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Mercaptopurine is a chemotherapy medicine used to help keep acute lymphoblastic leukemia (ALL) — a type of blood cancer — in remission. It's used during the maintenance phase of tr...
  • What exactly is mercaptopurine used for?
  • Either is fine, but you need to be consistent. Food reduces how much of the medicine your body absorbs, so if you always take it with a meal or always take it without food, your do...
  • Should I take this with food or on an empty stomach?
📖 Read our full Mercaptopurine guide →

🕸️ Concept Web — How Mercaptopurine 50 MG Oral Tablet Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept Mercaptopurine 50 MG Oral Tablet RxCUI 197931

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Mercaptopurine 103
  2. Dose forms 6

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Mercaptopurine Oral Tablet 372782
    • Mercaptopurine Oral Product 1165710
    • Mercaptopurine Pill 1165711
    • Oral Tablet 317541
    • Oral Product 1151131
    • Pill 1151133
  3. Clinical & branded drugs 1

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

    • Mercaptopurine 50 MG 316246

Showing up to 8 concepts per family — 8 of 8 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Mercaptopurine 50 MG SCDC · 316246
  • Mercaptopurine Oral Tablet SCDF · 372782
  • Mercaptopurine Oral Product SCDG · 1165710
  • Mercaptopurine Pill SCDG · 1165711

📦 FDA Products & Package NDCs

3 products · 5 package NDCs
5 package NDCs map to RxCUI 197931 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
00054-4581-11 25 TABLET in 1 BOTTLE, PLASTIC (0054-4581-11) Mercaptopurine Hikma Pharmaceuticals USA Inc. 2004-02-13
00054-4581-27 250 TABLET in 1 BOTTLE, PLASTIC (0054-4581-27) Mercaptopurine Hikma Pharmaceuticals USA Inc. 2004-02-13
51407-0983-25 250 TABLET in 1 BOTTLE, PLASTIC (51407-983-25) Mercaptopurine Golden State Medical Supply, Inc. 2026-01-19
71921-0150-02 25 TABLET in 1 BOTTLE (71921-150-02) Mercaptopurine Florida Pharmaceutical Products, LLC 2026-01-30
71921-0150-25 250 TABLET in 1 BOTTLE (71921-150-25) Mercaptopurine Florida Pharmaceutical Products, LLC 2026-01-30
Observed labelers: Florida Pharmaceutical Products, LLC (2) · Hikma Pharmaceuticals USA Inc. (2) · Golden State Medical Supply, Inc. (1) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

💲 Pricing (NADAC)

NADAC is CMS's National Average Drug Acquisition Cost — roughly what pharmacies pay to buy the drug. It is an acquisition benchmark, not your copay.
Per ea · median
$0.9204
Range $0.9204–$0.9204 · middle 50% $0.9204–$0.9204 · 3 NDCs
Latest compatible distributions from the CMS NADAC file · dataset watermark 2026-07-10. Prices vary by package and pharmacy; a distribution is shown instead of one misleading number. Rows the dataset is silent on carry no price. No zero-cost conclusion should be drawn.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.