Prefest 28 Day Pack
RxNorm 751883

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 751883 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: Prefest 28 Day Pack.

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

SY
Prefest 28 Day Pack
AUI:2763348
BPCK
{15 (estradiol 1 mg / norgestimate 0.09 mg Oral Tablet) / 15 (estradiol 1 mg Oral Tablet) } Pack [Prefest 28 Day]
AUI:12373243

This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SY

Synonym (SY):
Prefest 28 Day Pack
(Atom ID: 2763348)

Clinical Status & Identity

Prescribable Status
NO (Reference)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Prefest 28 Day Pack
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
751883
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
2763348
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
751883
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.

BPCK

Brand Name Pack (BPCK):
{15 (estradiol 1 mg / norgestimate 0.09 mg Oral Tablet) / 15 (estradiol 1 mg Oral Tablet) } Pack [Prefest 28 Day]
(Atom ID: 12373243)

Clinical Status & Identity

Prescribable Status
NO (Reference)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
{15 (estradiol 1 MG / norgestimate 0.09 MG Oral Tablet) / 15 (estradiol 1 MG Oral Tablet) } Pack [Prefest 28 Day]
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
751883
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12373243
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
BPCK
Brand Name Pack ({# (Ingredient Strength Dose Form) / # (Ingredient Strength Dose Form)} Pack [Brand Name])
Source Code
751883
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 OBSOLETED
04/30/2020
Date the RxNorm atom became obsolete