LOINCActiveBoth

LOINC Code 12534-4: Thiazolidine-2-Thione-4-Carboxylic acid/Creatinine (U) [Mass ratio]

12534-4 is a LOINC code used to identify Thiazolidine-2-Thione-4-Carboxylic acid/Creatinine (U) [Mass 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 Thiazolidine-2-Thione-4-Carboxylic acid/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 Thiazolidine-2-Thione-4-Carboxylic acid/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

  • Thiazolidine-2-Thione-4-Carboxylic acid/Creatinine [Mass Ratio] in Urine
  • Thiazolidine-2-Thione-4-Carboxylic acid/Creatinine
  • 2-thio,4-carboxythiazolidine; Acd; Acids; Captan metabolite; Carbon disulfide metabolite; CR; Crea; Creat; DRUG/TOXICOLOGY; Drugs; II; Mass concentration ratio; Mass ratio; MCRto; Point in time; QNT; Quan; Quant; Quantitative; Random; Tolylfuanid metabolite; TTCA; 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

Thiazolidine-2-Thione-4-Carboxylic acid/Creatinine (U) [Mass ratio]Thiazolidine-2-Thione-4-Carboxylic acid/Creatinine [Mass Ratio] in UrineTTCA/Creat UrThiazolidine-2-Thione-4-Carboxylic acid/CreatinineDRUG/TOXThiazolidine-2-Thione-4-Carboxylic acid/Creatinine, UrineMRto

Frequently asked questions

Code details

Code12534-4
SystemLOINC
Display nameThiazolidine-2-Thione-4-Carboxylic acid/Creatinine (U) [Mass ratio]
DescriptionThiazolidine-2-Thione-4-Carboxylic acid/Creatinine
Short nameTTCA/Creat Ur
ComponentThiazolidine-2-Thione-4-Carboxylic acid/Creatinine
PropertyMRto
TimingPt
System (specimen)Urine
ScaleQn
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.42

Consumer names

Thiazolidine-2-Thione-4-Carboxylic acid/Creatinine, Urine

Part names

Thiazolidine-2-Thione-4-Carboxylic acid/CreatinineMRtoPtUrineQnMass 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.