Renthyroid Tablet
RxNorm Crosswalk NDC 64950-175

View RxNorm Concepts, RxCUIs, and Term Type mappings for this NDC

RxNorm Mapping Clinical Concepts

This drug is included in the RxNorm Current Prescribable Content, a subset of RxNorm that includes all drugs available for prescription in the United States.

The product Renthyroid (NDC 64950-175) is cross-mapped to the RxNorm terminology system to ensure clinical interoperability. This product is associated with 16 unique RxNorm concepts. By anchoring Genus Lifesciences's product data to these standardized identifiers, healthcare systems can maintain accurate medication records, safely automate e-prescribing, and streamline pharmacy workflows.

The following clinical concept cards detail the semantic term types (TTY), prescribable names, and synonymous clinical strings as defined by the National Library of Medicine (NLM).

SCD
Thyroid (USP) 180 mg Oral Tablet
SCD
Thyroid (USP) 120 mg Oral Tablet
PSN
RenThyroid 180 mg (3 grain) Oral Tablet
PSN
RenThyroid 30 mg (1/2 grain) Oral Tablet
SCD
Thyroid (USP) 45 mg Oral Tablet
PSN
RenThyroid 45 mg (3/4 grain) Oral Tablet
PSN
RenThyroid 60 mg (1 grain) Oral Tablet
SCD
Thyroid (USP) 75 mg Oral Tablet
PSN
RenThyroid 75 mg (1 1/4 grain) Oral Tablet
PSN
RenThyroid 90 mg (1 1/2 grain) Oral Tablet
PSN
RenThyroid 120 mg (2 grain) Oral Tablet
PSN
RenThyroid 15 mg (1/4 grain) Oral Tablet
SCD
Thyroid (USP) 30 mg Oral Tablet
SCD
Thyroid (USP) 60 mg Oral Tablet
SCD
Thyroid (USP) 90 mg Oral Tablet
SCD
Thyroid (USP) 15 mg Oral Tablet
SCDPrescribable
Featured Concept

thyroid (USP) 180 MG Oral Tablet
(RxCUI 198278)

Semantic Clinical Drug

Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.

Mapped Terms
PSNPrescribable
thyroid 180 MG (3 grain) Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SYPrescribable
levothyroxine sodium 114 MCG / liothyronine sodium 27 MCG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SYPrescribable
thyroid (USP) 3 grain Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SCDPrescribable
Featured Concept

thyroid (USP) 120 MG Oral Tablet
(RxCUI 208545)

Semantic Clinical Drug

Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.

Mapped Terms
PSNPrescribable
thyroid 120 MG (2 grain) Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SYPrescribable
levothyroxine sodium 76 MCG / liothyronine sodium 18 MCG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SYPrescribable
thyroid (USP) 2 grain Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SCDPrescribable
Featured Concept

thyroid (USP) 30 MG Oral Tablet
(RxCUI 313387)

Semantic Clinical Drug

Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.

Mapped Terms
PSNPrescribable
thyroid 30 MG (1/2 grain) Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SYPrescribable
levothyroxine sodium 19 MCG / liothyronine sodium 4.5 MCG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SYPrescribable
thyroid (USP) 1/2 grain Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SCDPrescribable
Featured Concept

thyroid (USP) 60 MG Oral Tablet
(RxCUI 313391)

Semantic Clinical Drug

Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.

Mapped Terms
PSNPrescribable
thyroid 60 MG (1 grain) Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SYPrescribable
levothyroxine sodium 38 MCG / liothyronine sodium 9 MCG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SYPrescribable
thyroid (USP) 1 grain Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SCDPrescribable
Featured Concept

thyroid (USP) 90 MG Oral Tablet
(RxCUI 313393)

Semantic Clinical Drug

Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.

Mapped Terms
PSNPrescribable
thyroid 90 MG (1 1/2 grain) Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SYPrescribable
levothyroxine sodium 57 MCG / liothyronine sodium 13.5 MCG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SYPrescribable
thyroid (USP) 1 1/2 grain Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SCDPrescribable
Featured Concept

thyroid (USP) 15 MG Oral Tablet
(RxCUI 314267)

Semantic Clinical Drug

Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.

Mapped Terms
PSNPrescribable
thyroid 15 MG (1/4 grain) Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SYPrescribable
levothyroxine sodium 9.5 MCG / liothyronine sodium 2.25 MCG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SYPrescribable
thyroid (USP) 1/4 grain Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

RenThyroid 180 MG (3 grain) Oral Tablet
(RxCUI 2706315)

Prescribable Name

Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.

Mapped Terms
SBDPrescribable
thyroid (USP) 180 MG Oral Tablet [Renthyroid]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Renthyroid (levothyroxine sodium 114 MCG / liothyronine sodium 27 MCG) Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

RenThyroid 30 MG (1/2 grain) Oral Tablet
(RxCUI 2706317)

Prescribable Name

Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.

Mapped Terms
SBDPrescribable
thyroid (USP) 30 MG Oral Tablet [Renthyroid]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Renthyroid (levothyroxine sodium 19 MCG / liothyronine sodium 4.5 MCG) Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SCDPrescribable
Featured Concept

thyroid (USP) 45 MG Oral Tablet
(RxCUI 2706319)

Semantic Clinical Drug

Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.

Mapped Terms
PSNPrescribable
thyroid (USP) 45 MG (3/4 grain) Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SYPrescribable
levothyroxine sodium 28.5 MCG / liothyronine sodium 6.75 MCG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

RenThyroid 45 MG (3/4 grain) Oral Tablet
(RxCUI 2706321)

Prescribable Name

Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.

Mapped Terms
SBDPrescribable
thyroid (USP) 45 MG Oral Tablet [Renthyroid]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Renthyroid (levothyroxine sodium 28.5 MCG / liothyronine sodium 6.75 MCG) Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

RenThyroid 60 MG (1 grain) Oral Tablet
(RxCUI 2706323)

Prescribable Name

Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.

Mapped Terms
SBDPrescribable
thyroid (USP) 60 MG Oral Tablet [Renthyroid]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Renthyroid (levothyroxine sodium 38 MCG / liothyronine sodium 9 MCG) Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SCDPrescribable
Featured Concept

thyroid (USP) 75 MG Oral Tablet
(RxCUI 2706325)

Semantic Clinical Drug

Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.

Mapped Terms
PSNPrescribable
thyroid 75 MG (1 1/4 grain) Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SYPrescribable
levothyroxine sodium 47.5 MCG / liothyronine sodium 11.25 MCG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

RenThyroid 75 MG (1 1/4 grain) Oral Tablet
(RxCUI 2706327)

Prescribable Name

Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.

Mapped Terms
SBDPrescribable
thyroid (USP) 75 MG Oral Tablet [Renthyroid]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Renthyroid (levothyroxine sodium 47.5 MCG / liothyronine sodium 11.25 MCG) Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

RenThyroid 90 MG (1 1/2 grain) Oral Tablet
(RxCUI 2706329)

Prescribable Name

Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.

Mapped Terms
SBDPrescribable
thyroid (USP) 90 MG Oral Tablet [Renthyroid]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Renthyroid (levothyroxine sodium 57 MCG / liothyronine sodium 13.5 MCG) Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

RenThyroid 120 MG (2 grain) Oral Tablet
(RxCUI 2706331)

Prescribable Name

Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.

Mapped Terms
SBDPrescribable
thyroid (USP) 120 MG Oral Tablet [Renthyroid]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Renthyroid (levothyroxine sodium 76 MCG / liothyronine sodium 18 MCG) Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

RenThyroid 15 MG (1/4 grain) Oral Tablet
(RxCUI 2706333)

Prescribable Name

Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.

Mapped Terms
SBDPrescribable
thyroid (USP) 15 MG Oral Tablet [Renthyroid]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Renthyroid (levothyroxine sodium 9.5 MCG / liothyronine sodium 2.25 MCG) Oral Tablet
Synonym
Synonym of another TTY, given for clarity.

Understanding RxNorm Mapping for Renthyroid

RxNorm is a normalized naming system developed by the National Library of Medicine (NLM) to bridge the gap between different drug terminologies. By mapping NDC 64950-175 to RxCUI 198278, 208545, 2706315, 2706317, 2706319, 2706321, 2706323, 2706325, 2706327, 2706329, 2706331, 2706333, 313387, 313391, 313393, 314267, this page provides the standardized "source of truth" required for hospital systems, e-prescribing software, and pharmacy benefit managers (PBMs) to communicate without errors.

Term Type (TTY) Legend for This Page

The clinical cards above utilize specific Term Types (TTY) to define the granularity of the drug concept:

  • PSN Prescribable Name: The standardized name preferred by electronic prescribing (eRx) applications for display.
  • SCD Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.
  • SY Synonym: An alternative clinical name or alias provided for search and retrieval clarity.
  • SBD Semantic Branded Drug: The branded equivalent representing the Brand Name + Strength + Dosage Form.

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