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Estradiol 1 MG / norethindrone acetate 0.5 MG / relugolix 40 MG Oral Tablet [Myfembree] — RxCUI 2556800

RxNorm drug concept · Semantic branded drug
RxCUI 2556800 Semantic branded drug · SBD ● Current RxNorm concept 1 FDA product 2 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

RxCUI2556800
Official nameEstradiol 1 MG / norethindrone acetate 0.5 MG / relugolix 40 MG Oral Tablet [Myfembree]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
FDA products mapped1
Package NDCs mapped2
Reported Medicaid activity (SDUD)19,242 prescriptions · 37 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 Norethindrone: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It depends on the product. Most norethindrone tablets — including brands like Camila, Errin, Emzahh, and Affodel — are progestin-only birth control pills taken daily to prevent pre...
  • Regular combination birth control pills contain two hormones — estrogen and progestin. Norethindrone is a progestin-only pill, sometimes called the 'mini-pill.' Because it has no e...
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  • The most common thing people notice is irregular bleeding — spotting between periods, or changes in your cycle. Headache, breast tenderness, nausea, and dizziness are also reported...
📖 Read our full Norethindrone guide →

🕸️ Concept Web — How Estradiol 1 MG / norethindrone acetate 0.5 MG /... 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 Estradiol 1 MG / norethindrone acetate 0.5 MG / relugolix 40 MG Oral Tablet [Myfembree] RxCUI 2556800

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

  1. Ingredients 5

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

    • Estradiol 4083
    • Norethindrone 7514
    • Relugolix 2472778
    • Estradiol / norethindrone / relugolix 2556806
    • Norethindrone acetate 31983
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Myfembree 2556803
  3. Dose forms 13

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

    • Estradiol / norethindrone / relugolix Oral Tablet 2556797
    • Estradiol / norethindrone acetate / relugolix Oral Tablet 2648500
    • Estradiol / norethindrone / relugolix Oral Product 2556802
    • Estradiol / norethindrone / relugolix Pill 2556801
    • Estradiol / norethindrone acetate / relugolix Oral Product 2663226
    • Estradiol / norethindrone acetate / relugolix Pill 2659726
    • Estradiol / norethindrone / relugolix Oral Tablet [Myfembree] 2556805
    • Estradiol / norethindrone acetate / relugolix Oral Tablet [Myfembree] 2657499
    • +5 more in this family
  4. Clinical & branded drugs 5

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

Showing up to 8 concepts per family — 19 of 24 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

  • Estradiol 1 MG / norethindrone acetate 0.5 MG / relugolix 40 MG Oral Tablet SCD · 2556799
  • Estradiol 1 MG SCDC · 315881
  • Norethindrone acetate 0.5 MG SCDC · 1251322
  • Relugolix 40 MG SCDC · 2556796
  • Estradiol / norethindrone / relugolix Oral Tablet SCDF · 2556797
  • Estradiol / norethindrone acetate / relugolix Oral Tablet SCDFP · 2648500
  • Estradiol / norethindrone / relugolix Oral Product SCDG · 2556802
  • Estradiol / norethindrone / relugolix Pill SCDG · 2556801
  • Estradiol / norethindrone acetate / relugolix Oral Product SCDGP · 2663226
  • Estradiol / norethindrone acetate / relugolix Pill SCDGP · 2659726

Brand-Name Concepts

  • Estradiol 1 MG / norethindrone acetate 0.5 MG [Myfembree] SBDC · 2556798
  • Estradiol / norethindrone / relugolix Oral Tablet [Myfembree] SBDF · 2556805
  • Estradiol / norethindrone acetate / relugolix Oral Tablet [Myfembree] SBDFP · 2657499
  • Myfembree Oral Product SBDG · 2556804
  • Myfembree Pill SBDG · 2556795
  • Myfembree BN · 2556803

📦 FDA Products & Package NDCs

1 product · 2 package NDCs
2 package NDCs map to RxCUI 2556800 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
72974-0415-01 28 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (72974-415-01) Myfembree Sumitomo Pharma America, Inc 2021-05-26
72974-0415-99 7 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (72974-415-99) Myfembree Sumitomo Pharma America, Inc 2021-07-07
Observed labelers: Sumitomo Pharma America, Inc (2) — 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
$45.2601
Range $45.2601–$45.2601 · middle 50% $45.2601–$45.2601 · 1 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.