HealthAssure
HealthAssureGood Life
LOINCActiveBoth

LOINC Code 2322-6: Gamma glutamyl transferase (Amn fld) [Catalytic activity/Vol]

2322-6 is a LOINC code used to identify Gamma glutamyl transferase (Amn fld) [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 Amnio fld.

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 glutamyl transferase. It is commonly used with the system or sample type Amnio fld.

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

  • Gamma glutamyl transferase [Enzymatic activity/volume] in Amniotic fluid
  • Gamma glutamyl transferase
  • AF; Amn; Amn fl; Amnio; Amniotic flu; Amniotic fluid; Catalytic Concentration; Chemistry; Gamma glutamyl transpeptidase; Gamma-GTP; GGT; GGTP; GT; Gyn; Gynecology; OB; ObGyn; Obstetrics; Point in time; QNT; Quan; Quant; Quantitative; Random

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 (Amn fld) [Catalytic activity/Vol]Gamma glutamyl transferase [Enzymatic activity/volume] in Amniotic fluidGGT Amn-cCncGamma glutamyl transferaseCHEMGamma glutamyl transferase, Amniotic fluidCCnc

Frequently asked questions

Code details

Code2322-6
SystemLOINC
Display nameGamma glutamyl transferase (Amn fld) [Catalytic activity/Vol]
DescriptionGamma glutamyl transferase
Short nameGGT Amn-cCnc
ComponentGamma glutamyl transferase
PropertyCCnc
TimingPt
System (specimen)Amnio fld
ScaleQn
ClassCHEM
Example unitsarb U/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.68

Consumer names

Gamma glutamyl transferase, Amniotic fluid

Part names

Gamma glutamyl transferaseCCncPtAmnio fldQnCatalytic ConcentrationPoint in time (spot)Amniotic fluid

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.