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LOINC Code 26581-9: Gamma aminobutyrate/Creatinine (U) [Molar ratio]

26581-9 is a LOINC code used to identify Gamma aminobutyrate/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 Gamma aminobutyrate/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 Gamma aminobutyrate/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

  • Gamma aminobutyrate/Creatinine [Molar ratio] in Urine
  • Gamma aminobutyrate/Creatinine
  • 4-aminobutanoic acid; 4-aminobutyrate; 4-aminobutyric acid; Aminobutric; Aminobutyric; Amino-n-butyrate; Chemistry; CR; Crea; Creat; GABA; Gamma aminobutyric acid; Gamma amino-butyric acid; Gamma amino-n-butyrate; Gamma amino-n-butyric acid; Piperidic acid; 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

Gamma aminobutyrate/Creatinine (U) [Molar ratio]Gamma aminobutyrate/Creatinine [Molar ratio] in UrineGABA/Creat Ur-sRtoGamma aminobutyrate/CreatinineCHEMGamma aminobutyrate/Creatinine, UrineSRto

Frequently asked questions

Code details

Code26581-9
SystemLOINC
Display nameGamma aminobutyrate/Creatinine (U) [Molar ratio]
DescriptionGamma aminobutyrate/Creatinine
Short nameGABA/Creat Ur-sRto
ComponentGamma aminobutyrate/Creatinine
PropertySRto
TimingPt
System (specimen)Urine
ScaleQn
ClassCHEM
Example unitsmmol/mol creatinine
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Gamma aminobutyrate/Creatinine, Urine

Part names

Gamma aminobutyrate/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.