Thyroid (USP) 325 mg
RxNorm 316828

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 316828 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: thyroid (USP) 325 mg.

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

SCDC
Thyroid (USP) 325 mg
AUI:3501111
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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.

SCDCPrescribable

Semantic Clinical Drug Component (SCDC):
Thyroid (USP) 325 mg
(Atom ID: 3501111)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
thyroid (USP) 325 MG
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
316828
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3501111
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCDC
Semantic Clinical Drug Component (Ingredient + Strength)
Source Code
316828
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
12/01/2010
Date the RxNorm atom was reactivated
RXN BOSS STRENGTH DENOM UNIT
1
RXN Boss Strength Denom Unit
RXN BOSS STRENGTH DENOM VALUE
1
RXN Boss Strength Denom Value
RXN BOSS STRENGTH NUM UNIT
MG
RXN Boss Strength Num Unit
RXN BOSS STRENGTH NUM VALUE
325
RXN Boss Strength Num Value
RXN OBSOLETED
10/28/2010
Date the RxNorm atom became obsolete
RXN STRENGTH
325 MG
Strength plus unit of SCDC

Patient Education

Thyroid


Thyroid is used to treat the symptoms of hypothyroidism (a condition where the thyroid gland does not produce enough thyroid hormone). Symptoms of hypothyroidism include lack of energy, depression, constipation, weight gain, hair loss, dry skin, dry coarse hair, muscle cramps, decreased concentration, aches and pains, swelling of the legs, and increased sensitivity to cold. Thyroid is also used to treat goiter (enlarged thyroid gland). Thyroid is in a class of medications called thyroid agents. It works by supplying the thyroid hormone normally produced by the body.
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