Interferon alfa-2b (as peginterferon alfa-2b) 150 microgram powder for solution for injection pen
RxNorm 2277158

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2277158 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: Interferon alfa-2b (as peginterferon alfa-2b) 150 microgram powder for solution for injection pen.

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

PT
Interferon alfa-2b (as peginterferon alfa-2b) 150 microgram powder for solution for injection pen
AUI:11825587
View
FN
Product containing precisely interferon alfa-2b (as peginterferon alfa-2b) 150 microgram/1 pen powder for conventional release solution for injection (clinical drug)
AUI:11826544
View

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

PT

Designated preferred name (PT):
Interferon alfa-2b (as peginterferon alfa-2b) 150 microgram powder for solution for injection pen
(Atom ID: 11825587)

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
Interferon alfa-2b (as peginterferon alfa-2b) 150 microgram powder for solution for injection pen
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)
2277158
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11825587
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PT
Designated preferred name ()
Source Code
789192004
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
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
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.
FN

Full form of descriptor (FN):
Product containing precisely interferon alfa-2b (as peginterferon alfa-2b) 150 microgram/1 pen powder for conventional release solution for injection (clinical drug)
(Atom ID: 11826544)

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
Product containing precisely interferon alfa-2b (as peginterferon alfa-2b) 150 microgram/1 pen powder for conventional release solution for injection (clinical drug)
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)
2277158
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11826544
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
FN
Full form of descriptor ()
Source Code
789192004
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
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
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.