Cytidine monophosphate (CMP)-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
RxNorm 21334

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 21334 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: Cytidine monophosphate (CMP)-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase.

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

PT
CMP-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
AUI:400337
View
SY
Cytidine monophosphate (CMP)-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
AUI:2545304
View
SY
Cytidine monophosphate-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
AUI:5939455
View
FN
Cytidine monophosphate-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase (substance)
AUI:5939456
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):
CMP-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
(Atom ID: 400337)

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
CMP-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
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)
21334
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
400337
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PT
Designated preferred name ()
Source Code
43775004
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):
Cytidine monophosphate (CMP)-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
(Atom ID: 2545304)

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
Cytidine monophosphate (CMP)-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
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)
21334
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
2545304
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
43775004
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):
Cytidine monophosphate-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
(Atom ID: 5939455)

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
Cytidine monophosphate-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase
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)
21334
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
5939455
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
43775004
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):
Cytidine monophosphate-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase (substance)
(Atom ID: 5939456)

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
Cytidine monophosphate-N-acetylneuraminate-alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase (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)
21334
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
5939456
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
FN
Full form of descriptor ()
Source Code
43775004
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.