Femhrt 0.5/2.5 28 Day Pack
RxNorm 1251335

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1251335 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: femhrt 0.5/2.5 28 Day Pack.

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

SY
Femhrt (ethinyl estradiol 25 mcg / norethindrone acetate 0.5 mg Oral Tablet) 28 Day Pack
AUI:4261502
View
PSN
Femhrt 0.5/2.5 28 Day Pack
AUI:6372873
View
SY
Femhrt 0.5/2.5 28 Day Pack
AUI:2762480
View
BPCK
{28 (ethinyl estradiol 0.0025 mg / norethindrone acetate 0.5 mg Oral Tablet) } Pack [Femhrt 0.5/2.5 28 Day]
AUI:12373335
View

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):
Femhrt (ethinyl estradiol 25 mcg / norethindrone acetate 0.5 mg Oral Tablet) 28 Day Pack
(Atom ID: 4261502)

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
Femhrt (ethinyl estradiol 25 MCG / norethindrone acetate 0.5 MG Oral Tablet) 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)
1251335
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4261502
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1251335
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.
PSN

Prescribable Name (PSN):
Femhrt 0.5/2.5 28 Day Pack
(Atom ID: 6372873)

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
femhrt 0.5/2.5 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)
1251335
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6372873
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PSN
Prescribable Name (Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.)
Source Code
1251335
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.
SY

Synonym (SY):
Femhrt 0.5/2.5 28 Day Pack
(Atom ID: 2762480)

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
Femhrt 0.5/2.5 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)
1251335
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
2762480
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1251335
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):
{28 (ethinyl estradiol 0.0025 mg / norethindrone acetate 0.5 mg Oral Tablet) } Pack [Femhrt 0.5/2.5 28 Day]
(Atom ID: 12373335)

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
{28 (ethinyl estradiol 0.0025 MG / norethindrone acetate 0.5 MG Oral Tablet) } Pack [Femhrt 0.5/2.5 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)
1251335
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12373335
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
1251335
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
05/23/2025
Date the RxNorm atom became obsolete