LOINC

LOINC Code 10575-9: Gamma glutamyl transferase (Smpls) [Catalytic activity/Vol]

10575-9 is a LOINC code used to identify Gamma glutamyl transferase (Smpls) [Catalytic activity/Vol] 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 glutamyl transferase. It is commonly used with the system or sample type Smpls.

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 Gamma glutamyl transferase. It is commonly used with the system or sample type Smpls.

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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated Gamma glutamyl transferase [Enzymatic activity/volume] in Semen
  • Gamma glutamyl transferase
  • Catalytic Concentration; FERTILITY TESTING; Gamma glutamyl transpeptidase; Gamma-GTP; Genitourinary; GGT; GGTP; GT; GU; Point in time; QNT; Quan; Quant; Quantitative; Random; URO; Urology

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 glutamyl transferase (Smpls) [Catalytic activity/Vol]Deprecated Gamma glutamyl transferase [Enzymatic activity/volume] in SemenDeprecated GGT-cCncGamma glutamyl transferaseFERTGamma glutamyl transferase, SmplsCCnc

Frequently asked questions

Code details

Code10575-9
SystemLOINC
Display nameGamma glutamyl transferase (Smpls) [Catalytic activity/Vol]
DescriptionGamma glutamyl transferase
Short nameDeprecated GGT-cCnc
ComponentGamma glutamyl transferase
PropertyCCnc
TimingPt
System (specimen)Smpls
ScaleQn
ClassFERT
Example unitsukat/L
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.70

Consumer names

Gamma glutamyl transferase, Smpls

Part names

Gamma glutamyl transferaseCCncPtSmplsQnCatalytic ConcentrationPoint 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 10575-9 | HealthAssure