Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide Ag conjugated to Corynebacterium diphtheriae CRM197 protein
RxNorm 2277003

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2277003 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: Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide Ag conjugated to Corynebacterium diphtheriae CRM197 protein.

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

SY
Antigen of Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide conjugated to Corynebacterium diphtheriae cross-reacting material 197 protein
AUI:12420566
View
FN
Antigen of Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide conjugated to Corynebacterium diphtheriae cross-reacting material 197 protein (substance)
AUI:12420567
View
SY
Streptococcus pneumoniae American serotype 56 capsular polysaccharide antigen conjugated to Corynebacterium diphtheriae CRM197 protein
AUI:11826841
View
SY
Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide Ag conjugated to Corynebacterium diphtheriae CRM197 protein
AUI:11826885
View
PT
Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide antigen conjugated to Corynebacterium diphtheriae CRM197 protein
AUI:11826888
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):
Antigen of Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide conjugated to Corynebacterium diphtheriae cross-reacting material 197 protein
(Atom ID: 12420566)

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 Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide conjugated to Corynebacterium diphtheriae cross-reacting material 197 protein
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)
2277003
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12420566
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
24811000087106
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 Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide conjugated to Corynebacterium diphtheriae cross-reacting material 197 protein (substance)
(Atom ID: 12420567)

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 Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide conjugated to Corynebacterium diphtheriae cross-reacting material 197 protein (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)
2277003
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12420567
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
FN
Full form of descriptor ()
Source Code
24811000087106
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):
Streptococcus pneumoniae American serotype 56 capsular polysaccharide antigen conjugated to Corynebacterium diphtheriae CRM197 protein
(Atom ID: 11826841)

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
Streptococcus pneumoniae American serotype 56 capsular polysaccharide antigen conjugated to Corynebacterium diphtheriae CRM197 protein
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)
2277003
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11826841
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
24811000087106
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):
Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide Ag conjugated to Corynebacterium diphtheriae CRM197 protein
(Atom ID: 11826885)

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
Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide Ag conjugated to Corynebacterium diphtheriae CRM197 protein
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)
2277003
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11826885
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
24811000087106
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):
Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide antigen conjugated to Corynebacterium diphtheriae CRM197 protein
(Atom ID: 11826888)

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
Streptococcus pneumoniae Danish serotype 18C capsular polysaccharide antigen conjugated to Corynebacterium diphtheriae CRM197 protein
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)
2277003
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11826888
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PT
Designated preferred name ()
Source Code
24811000087106
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.