Topamax Tablet, Coated
RxNorm Crosswalk NDC 50458-641

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 Topamax (NDC 50458-641) is cross-mapped to the RxNorm terminology system to ensure clinical interoperability. This product is associated with 12 unique RxNorm concepts. By anchoring Janssen Pharmaceuticals, Inc.'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
Topiramate 50 mg Oral Tablet
PSN
Topamax 50 mg Oral Tablet
PSN
Topamax 100 mg Oral Tablet
PSN
Topamax 200 mg Oral Tablet
PSN
Topamax 25 mg Oral Tablet
SCD
Topiramate 25 mg Oral Tablet
SCD
Topiramate 100 mg Oral Tablet
SCD
Topiramate 200 mg Oral Tablet
SCD
Topiramate 25 mg Oral Capsule
SCD
Topiramate 15 mg Oral Capsule
PSN
Topamax 15 mg Oral Sprinkle Capsule
PSN
Topamax 25 mg Oral Sprinkle Capsule
SCDPrescribable
Featured Concept

topiramate 50 MG Oral Tablet
(RxCUI 151226)

Semantic Clinical Drug

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

Mapped Terms
PSNPrescribable
topiramate 50 MG Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
PSNPrescribable
Featured Concept

Topamax 50 MG Oral Tablet
(RxCUI 151227)

Prescribable Name

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

Mapped Terms
SBDPrescribable
topiramate 50 MG Oral Tablet [Topamax]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Topamax 50 MG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

Topamax 100 MG Oral Tablet
(RxCUI 151228)

Prescribable Name

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

Mapped Terms
SBDPrescribable
topiramate 100 MG Oral Tablet [Topamax]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Topamax 100 MG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

Topamax 200 MG Oral Tablet
(RxCUI 151229)

Prescribable Name

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

Mapped Terms
SBDPrescribable
topiramate 200 MG Oral Tablet [Topamax]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Topamax 200 MG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

Topamax 25 MG Oral Tablet
(RxCUI 152855)

Prescribable Name

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

Mapped Terms
SBDPrescribable
topiramate 25 MG Oral Tablet [Topamax]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Topamax 25 MG Oral Tablet
Synonym
Synonym of another TTY, given for clarity.
SCDPrescribable
Featured Concept

topiramate 25 MG Oral Tablet
(RxCUI 199888)

Semantic Clinical Drug

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

Mapped Terms
PSNPrescribable
topiramate 25 MG Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SCDPrescribable
Featured Concept

topiramate 100 MG Oral Tablet
(RxCUI 199889)

Semantic Clinical Drug

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

Mapped Terms
PSNPrescribable
topiramate 100 MG Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SCDPrescribable
Featured Concept

topiramate 200 MG Oral Tablet
(RxCUI 199890)

Semantic Clinical Drug

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

Mapped Terms
PSNPrescribable
topiramate 200 MG Oral Tablet
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SCDPrescribable
Featured Concept

topiramate 25 MG Oral Capsule
(RxCUI 205315)

Semantic Clinical Drug

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

Mapped Terms
PSNPrescribable
topiramate 25 MG Oral Capsule
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
SCDPrescribable
Featured Concept

topiramate 15 MG Oral Capsule
(RxCUI 205316)

Semantic Clinical Drug

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

Mapped Terms
PSNPrescribable
topiramate 15 MG Oral Capsule
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
PSNPrescribable
Featured Concept

Topamax 15 MG Oral Sprinkle Capsule
(RxCUI 845478)

Prescribable Name

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

Mapped Terms
SBDPrescribable
topiramate 15 MG Oral Capsule [Topamax]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Topamax 15 MG Oral Capsule
Synonym
Synonym of another TTY, given for clarity.
PSNPrescribable
Featured Concept

Topamax 25 MG Oral Sprinkle Capsule
(RxCUI 845479)

Prescribable Name

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

Mapped Terms
SBDPrescribable
topiramate 25 MG Oral Capsule [Topamax]
Semantic Branded Drug
Ingredient + Strength + Dose Form + Brand Name
SYPrescribable
Topamax 25 MG Oral Capsule
Synonym
Synonym of another TTY, given for clarity.

Understanding RxNorm Mapping for Topamax

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 50458-641 to RxCUI 151226, 151227, 151228, 151229, 152855, 199888, 199889, 199890, 205315, 205316, 845478, 845479, 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.
  • SBD Semantic Branded Drug: The branded equivalent representing the Brand Name + Strength + Dosage Form.
  • SY Synonym: An alternative clinical name or alias provided for search and retrieval clarity.

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