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Liothyronine sodium 0.005 MG Oral Tablet [Cytomel] — RxCUI 903458

RxNorm drug concept · Semantic branded drug
RxCUI 903458 Semantic branded drug · SBD ● Current RxNorm concept 3 FDA products 3 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

RxCUI903458
Official nameLiothyronine sodium 0.005 MG Oral Tablet [Cytomel]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known asCytomel 5 MCG Oral Tablet; Cytomel 0.005 MG Oral Tablet
FDA products mapped3
Package NDCs mapped3
Reported Medicaid activity (SDUD)1,397 prescriptions · 12 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 Liothyronine: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • The tablets replace thyroid hormone when your body doesn’t make enough, which is hypothyroidism. They’re also used with surgery and radioiodine for certain thyroid cancers and in a...
  • The tablets are taken by mouth once a day. Your prescriber sets and adjusts the dose using your symptoms and blood tests, so follow their directions closely. Don’t change the dose...
  • No. It carries a boxed warning against this. If your thyroid is normal, it won’t help with weight loss, and larger doses can cause serious or life-threatening toxicity.
  • Most are signs of too much thyroid hormone, such as headache, nervousness, trouble sleeping, tremor, sweating, fast heartbeat or diarrhea. Call your doctor if these bother you, and...
📖 Read our full Liothyronine guide →

🕸️ Concept Web — How Liothyronine sodium 0.005 MG Oral Tablet [Cytome... 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 Liothyronine sodium 0.005 MG Oral Tablet [Cytomel] RxCUI 903458

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

  1. Ingredients 2

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

    • Liothyronine 10814
    • Liothyronine sodium 142448
  2. Brand names 1

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

    • Cytomel 3081
  3. Dose forms 13

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

    • Liothyronine Oral Tablet 372611
    • Liothyronine sodium Oral Tablet 2648093
    • Liothyronine Oral Product 1158806
    • Liothyronine Pill 1158807
    • Liothyronine sodium Oral Product 2661884
    • Liothyronine sodium Pill 2660740
    • Liothyronine Oral Tablet [Cytomel] 368869
    • Liothyronine sodium Oral Tablet [Cytomel] 2655708
    • +5 more in this family
  4. Clinical & branded drugs 3

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

Showing up to 8 concepts per family — 14 of 19 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

  • Liothyronine sodium 0.005 MG Oral Tablet SCD · 903456
  • Liothyronine sodium 0.005 MG SCDC · 903455
  • Liothyronine Oral Tablet SCDF · 372611
  • Liothyronine sodium Oral Tablet SCDFP · 2648093
  • Liothyronine Oral Product SCDG · 1158806
  • Liothyronine Pill SCDG · 1158807
  • Liothyronine sodium Oral Product SCDGP · 2661884
  • Liothyronine sodium Pill SCDGP · 2660740

Brand-Name Concepts

  • Liothyronine sodium 0.005 MG [Cytomel] SBDC · 903457
  • Liothyronine Oral Tablet [Cytomel] SBDF · 368869
  • Liothyronine sodium Oral Tablet [Cytomel] SBDFP · 2655708
  • Cytomel Oral Product SBDG · 1174484
  • Cytomel Pill SBDG · 1174485
  • Cytomel BN · 3081

📦 FDA Products & Package NDCs

3 products · 3 package NDCs
3 package NDCs map to RxCUI 903458 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
60793-0115-01 100 TABLET in 1 BOTTLE (60793-115-01) Cytomel Pfizer Laboratories Div Pfizer Inc 1956-05-08
60793-0116-01 100 TABLET in 1 BOTTLE (60793-116-01) Cytomel Pfizer Laboratories Div Pfizer Inc 1956-05-08
60793-0117-01 100 TABLET in 1 BOTTLE (60793-117-01) Cytomel Pfizer Laboratories Div Pfizer Inc 1956-05-08
Observed labelers: Pfizer Laboratories Div Pfizer Inc (3) — 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.