Potassium citrate 50 mg / sodium citrate 950 mg Oral Tablet [Citrolith]
RxNorm 542399

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 542399 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: potassium citrate 50 mg / sodium citrate 950 mg Oral Tablet [Citrolith].

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

SY
K+ citrate 50 mg / sodium citrate 950 mg Oral Tablet [Citrolith]
AUI:3856989
View
SY
Pot citrate 50 mg / sodium citrate 950 mg Oral Tablet [Citrolith]
AUI:3856988
View
SBD
Potassium citrate 50 mg / sodium citrate 950 mg Oral Tablet [Citrolith]
AUI:2256687
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):
K+ citrate 50 mg / sodium citrate 950 mg Oral Tablet [Citrolith]
(Atom ID: 3856989)

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
K+ citrate 50 MG / sodium citrate 950 MG Oral Tablet [Citrolith]
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)
542399
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3856989
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
542399
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.
SY

Synonym (SY):
Pot citrate 50 mg / sodium citrate 950 mg Oral Tablet [Citrolith]
(Atom ID: 3856988)

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
Pot citrate 50 MG / sodium citrate 950 MG Oral Tablet [Citrolith]
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)
542399
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3856988
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
542399
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.
SBD

Semantic Branded Drug (SBD):
Potassium citrate 50 mg / sodium citrate 950 mg Oral Tablet [Citrolith]
(Atom ID: 2256687)

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
potassium citrate 50 MG / sodium citrate 950 MG Oral Tablet [Citrolith]
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)
542399
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
2256687
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBD
Semantic Branded Drug (Ingredient + Strength + Dose Form + Brand Name)
Source Code
542399
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 ACTIVATED
06/28/2007
Date the RxNorm atom was reactivated
RXN OBSOLETED
02/27/2013
Date the RxNorm atom became obsolete
RXN OBSOLETED
08/31/2006
Date the RxNorm atom became obsolete
RXTERM FORM
Tab
The RxTerm dose form name for this drug