LOINCActiveObservation

LOINC Code 59251-9: N-carbamoyl beta alanine/Creatinine (U) [Molar ratio]

59251-9 is a LOINC code used to identify N-carbamoyl beta alanine/Creatinine (U) [Molar ratio] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component N-carbamoyl beta alanine/Creatinine. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component N-carbamoyl beta alanine/Creatinine. It is commonly used with the system or sample type Urine.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • N-carbamoyl beta alanine/Creatinine [Molar ratio] in Urine
  • N-carbamoyl beta alanine/Creatinine
  • Ala; Alpha alanine; B; Bala; B-Ala; B-Alanine; Chemistry; CR; Crea; Creat; L-alanine; N-carbamoyl B-alanine; Point in time; QNT; Quan; Quant; Quantitative; Random; Scrto; Substance concentration ratio; Substance ratio; UA; UCr; UR; Urn

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

N-carbamoyl beta alanine/Creatinine (U) [Molar ratio]N-carbamoyl beta alanine/Creatinine [Molar ratio] in UrineN-carbamoyl B-alanine/Creat Ur-sRtoN-carbamoyl beta alanine/CreatinineCHEMN-carbamoyl beta alanine/Creatinine, UrineSRto

Frequently asked questions

Code details

Code59251-9
SystemLOINC
Display nameN-carbamoyl beta alanine/Creatinine (U) [Molar ratio]
DescriptionN-carbamoyl beta alanine/Creatinine
Short nameN-carbamoyl B-alanine/Creat Ur-sRto
ComponentN-carbamoyl beta alanine/Creatinine
PropertySRto
TimingPt
System (specimen)Urine
ScaleQn
ClassCHEM
Example unitsumol/mmol creatinine
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.32
Last changed2.73

Consumer names

N-carbamoyl beta alanine/Creatinine, Urine

Part names

N-carbamoyl beta alanine/CreatinineSRtoPtUrineQnSubstance RatioPoint in time (spot)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 59251-9 | HealthAssure