What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 81776-7: Ureidopropionate/Creatinine (U) [Molar ratio]

Name: LOINC Code 81776-7: Ureidopropionate/Creatinine (U) [Molar ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:05.776Z

81776-7 is a LOINC code used to identify Ureidopropionate/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 Ureidopropionate/Creatinine. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Ureidopropionate/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: Both

What it does not mean

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

Key facts

Ureidopropionate/Creatinine [Molar ratio] in Urine
Ureidopropionate/Creatinine
Chemistry; CR; Crea; Creat; Esoteric; 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

Ureidopropionate/Creatinine (U) [Molar ratio]Ureidopropionate/Creatinine [Molar ratio] in UrineUreidopropionate/Creat Ur-sRtoUreidopropionate/CreatinineCHEMUreidopropionate/Creatinine, UrineSRto

Frequently asked questions

Code details

Code81776-7

SystemLOINC

Display nameUreidopropionate/Creatinine (U) [Molar ratio]

DescriptionUreidopropionate/Creatinine

Short nameUreidopropionate/Creat Ur-sRto

ComponentUreidopropionate/Creatinine

PropertySRto

TimingPt

System (specimen)Urine

ScaleQn

ClassCHEM

Example unitsmmol/mmol creatinine

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.56

Last changed2.56

Consumer names

Ureidopropionate/Creatinine, Urine

Part names

Ureidopropionate/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.