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Tamoxifen 20 MG Oral Tablet — RxCUI 313195

RxNorm drug concept · Semantic clinical drug
RxCUI 313195 Semantic clinical drug · SCD ● Current RxNorm concept 12 FDA products 20 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

RxCUI313195
Official nameTamoxifen 20 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known astamoxifen 20 MG (as tamoxifen citrate 30.4 MG) Oral Tablet; tamoxifen citrate 20 MG Oral Tablet
FDA products mapped12
Package NDCs mapped20
Reported Medicaid activity (SDUD)103,836 prescriptions · 52 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 Tamoxifen: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • That depends on your situation. Tamoxifen is used for a few related but different reasons: treating breast cancer that has spread, helping prevent breast cancer from coming back af...
  • What exactly is tamoxifen being used for in my case?
  • For most uses — including after surgery for breast cancer, after DCIS treatment, and for high-risk risk reduction — the standard course is 5 years of daily treatment. Soltamox is a...
  • Hot flashes are the most common thing people notice — they can range from mild to pretty disruptive. Vaginal discharge, irregular periods, nausea, and fatigue are also common. Thes...
📖 Read our full Tamoxifen guide →

🕸️ Concept Web — How Tamoxifen 20 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 Tamoxifen 20 MG Oral Tablet RxCUI 313195

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.

    • Tamoxifen 10324
  2. Dose forms 6

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

    • Tamoxifen Oral Tablet 374020
    • Tamoxifen Oral Product 1164214
    • Tamoxifen Pill 1164215
    • 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.

    • Tamoxifen 20 MG 330595

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

  • Tamoxifen 20 MG SCDC · 330595
  • Tamoxifen Oral Tablet SCDF · 374020
  • Tamoxifen Oral Product SCDG · 1164214
  • Tamoxifen Pill SCDG · 1164215

📦 FDA Products & Package NDCs

12 products · 20 package NDCs
20 package NDCs map to RxCUI 313195 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
00378-0144-91 60 TABLET in 1 BOTTLE (0378-0144-91) Tamoxifen Citrate Mylan Pharmaceuticals Inc. 2004-02-20
00378-0274-93 30 TABLET in 1 BOTTLE (0378-0274-93) Tamoxifen Citrate Mylan Pharmaceuticals Inc. 2003-02-20
00591-2472-18 180 TABLET in 1 BOTTLE, PLASTIC (0591-2472-18) Tamoxifen Citrate Actavis Pharma, Inc. 2011-08-15
00591-2472-60 60 TABLET in 1 BOTTLE, PLASTIC (0591-2472-60) Tamoxifen Citrate Actavis Pharma, Inc. 2011-08-15
00591-2473-19 90 TABLET in 1 BOTTLE, PLASTIC (0591-2473-19) Tamoxifen Citrate Actavis Pharma, Inc. 2011-08-15
00591-2473-30 30 TABLET in 1 BOTTLE, PLASTIC (0591-2473-30) Tamoxifen Citrate Actavis Pharma, Inc. 2011-08-15
50090-0942-00 90 TABLET in 1 BOTTLE, PLASTIC (50090-0942-0) Tamoxifen Citrate A-S Medication Solutions 2014-11-28
51862-0643-10 1000 TABLET, FILM COATED in 1 BOTTLE (51862-643-10) Tamoxifen Citrate Mayne Pharma Commercial LLC 2021-08-27
51862-0643-30 30 TABLET, FILM COATED in 1 BOTTLE (51862-643-30) Tamoxifen Citrate Mayne Pharma Commercial LLC 2021-08-27
59651-0299-60 60 TABLET, FILM COATED in 1 BOTTLE (59651-299-60) Tamoxifen Citrate Aurobindo Pharma Limited 2020-08-14
59651-0300-30 30 TABLET, FILM COATED in 1 BOTTLE (59651-300-30) Tamoxifen Citrate Aurobindo Pharma Limited 2020-08-14
59651-0300-90 90 TABLET, FILM COATED in 1 BOTTLE (59651-300-90) Tamoxifen Citrate Aurobindo Pharma Limited 2020-08-14
63187-0976-30 30 TABLET in 1 BOTTLE, PLASTIC (63187-976-30) Tamoxifen Citrate Proficient Rx LP 2018-02-01
63187-0976-60 60 TABLET in 1 BOTTLE, PLASTIC (63187-976-60) Tamoxifen Citrate Proficient Rx LP 2018-02-01
63187-0976-90 90 TABLET in 1 BOTTLE, PLASTIC (63187-976-90) Tamoxifen Citrate Proficient Rx LP 2018-02-01
72162-2209-03 30 TABLET, FILM COATED in 1 BOTTLE (72162-2209-3) Tamoxifen Citrate Bryant Ranch Prepack 2024-01-05
75907-0058-10 1000 TABLET, FILM COATED in 1 BOTTLE (75907-058-10) Tamoxifen Citrate Dr. Reddy's Labratories Inc. 2024-08-22
75907-0058-60 60 TABLET, FILM COATED in 1 BOTTLE (75907-058-60) Tamoxifen Citrate Dr. Reddy's Labratories Inc. 2024-08-22
75907-0059-10 1000 TABLET, FILM COATED in 1 BOTTLE (75907-059-10) Tamoxifen Citrate Dr. Reddy's Labratories Inc. 2024-08-22
75907-0059-30 30 TABLET, FILM COATED in 1 BOTTLE (75907-059-30) Tamoxifen Citrate Dr. Reddy's Labratories Inc. 2024-08-22
Observed labelers: Actavis Pharma, Inc. (4) · Dr. Reddy's Labratories Inc. (4) · Aurobindo Pharma Limited (3) · Proficient Rx LP (3) · Mayne Pharma Commercial LLC (2) · Mylan Pharmaceuticals Inc. (2) · +2 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ 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.