Interferon alfa-2b 25,000,000 UNT per 1 mL Prefilled Syringe
RxNorm 853479

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 853479 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 25,000,000 UNT per 1 mL Prefilled Syringe.

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

SCD
1 mL interferon alfa-2b 25000000 UNT/ML Prefilled Syringe
Primary clinical definition
AUI:12343235
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SY
Interferon alfa-2b 25,000,000 UNT per 1 mL Prefilled Syringe
AUI:3036592
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This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SCD

Semantic Clinical Drug (SCD):
1 mL interferon alfa-2b 25000000 UNT/ML Prefilled Syringe
(Atom ID: 12343235)

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
1 ML interferon alfa-2b 25000000 UNT/ML Prefilled Syringe
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)
853479
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12343235
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
853479
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
RXN QUANTITY
1 ML
Normal Form quantity factor
RXTERM FORM
Prefilled Syringe
The RxTerm dose form name for this drug
SY

Synonym (SY):
Interferon alfa-2b 25,000,000 UNT per 1 mL Prefilled Syringe
(Atom ID: 3036592)

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 25,000,000 UNT per 1 ML Prefilled Syringe
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)
853479
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3036592
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
853479
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.