Fremanezumab-vfrm 225 mg in 1.5 mL Auto-Injector
RxNorm 2287903

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2287903 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: fremanezumab-vfrm 225 mg in 1.5 mL Auto-Injector.

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

SCD
1.5 mL fremanezumab-vfrm 150 mg/ML Auto-Injector
Primary clinical definition
AUI:11843408
View
PSN
Fremanezumab-vfrm 225 mg in 1.5 mL Auto-Injector
AUI:11843417
View
SY
Fremanezumab-vfrm 225 mg per 1.5 mL Auto-Injector
AUI:11843418
View

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

SCDPrescribable

Semantic Clinical Drug (SCD):
1.5 mL fremanezumab-vfrm 150 mg/ML Auto-Injector
(Atom ID: 11843408)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
1.5 ML fremanezumab-vfrm 150 MG/ML Auto-Injector
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)
2287903
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11843408
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
2287903
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 AI
{2056692} 2056691
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{2056692} 2056691
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AVAILABLE STRENGTH
150 MG/ML (expressed as fremanezumab-vfrm)
Available drug strengths listed in the order of ingredients from the drug
RXN BOSS FROM
{2056692} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN HUMAN DRUG
US
Drug available for use in Humans
RXN QUANTITY
1.5 ML
Normal Form quantity factor
PSNPrescribable

Prescribable Name (PSN):
Fremanezumab-vfrm 225 mg in 1.5 mL Auto-Injector
(Atom ID: 11843417)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
fremanezumab-vfrm 225 MG in 1.5 mL Auto-Injector
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)
2287903
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11843417
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
2287903
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.
SYPrescribable

Synonym (SY):
Fremanezumab-vfrm 225 mg per 1.5 mL Auto-Injector
(Atom ID: 11843418)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
fremanezumab-vfrm 225 MG per 1.5 mL Auto-Injector
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)
2287903
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11843418
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
2287903
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.

Patient Education

Fremanezumab-vfrm Injection


Fremanezumab-vfrm injection is used to help prevent migraine headaches (severe, throbbing headaches that sometimes are accompanied by nausea and sensitivity to sound or light). Fremanezumab-vfrm injection is in a class of medications called monoclonal antibodies. It works by blocking the action of a certain natural substance in the body that causes migraine headaches.
[Learn More]


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