Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin
RxNorm 2566923

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2566923 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: Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin.

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

SYGB
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin
AUI:12664640
View
SY
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin
AUI:12664641
View
FN
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin (substance)
AUI:12664642
View
SYGB
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin Ag
AUI:12665204
View
PTGB
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin antigen
AUI:12665205
View
SY
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin Ag
AUI:12665207
View
PT
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin antigen
AUI:12665208
View

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

SYGB

British synonym (SYGB):
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin
(Atom ID: 12664640)

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
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin
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)
2566923
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12664640
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SYGB
British synonym (British synonym of another TTY, given for clarity.)
Source Code
1157322000
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.
SY

Synonym (SY):
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin
(Atom ID: 12664641)

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
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin
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)
2566923
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12664641
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1157322000
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):
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin (substance)
(Atom ID: 12664642)

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
Antigen of Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin (substance)
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)
2566923
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12664642
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
FN
Full form of descriptor ()
Source Code
1157322000
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.
SYGB

British synonym (SYGB):
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin Ag
(Atom ID: 12665204)

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
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin Ag
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)
2566923
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12665204
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SYGB
British synonym (British synonym of another TTY, given for clarity.)
Source Code
1157322000
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.
PTGB

British preferred term (PTGB):
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin antigen
(Atom ID: 12665205)

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
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion haemagglutinin antigen
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)
2566923
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12665205
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PTGB
British preferred term ()
Source Code
1157322000
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.
SY

Synonym (SY):
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin Ag
(Atom ID: 12665207)

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
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin Ag
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)
2566923
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12665207
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1157322000
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.
PT

Designated preferred name (PT):
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin antigen
(Atom ID: 12665208)

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
Influenza A virus A/California/7/2009 (H1N1)-like virus strain split virion hemagglutinin antigen
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)
2566923
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12665208
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PT
Designated preferred name ()
Source Code
1157322000
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.