LOINCActiveBoth

LOINC Code 2394-5: Glycogen synthase (S) [Catalytic activity/Vol]

2394-5 is a LOINC code used to identify Glycogen synthase (S) [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 Glycogen synthase. It is commonly used with the system or sample type Ser.

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 Glycogen synthase. It is commonly used with the system or sample type Ser.

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

  • Glycogen synthase [Enzymatic activity/volume] in Serum
  • Glycogen synthase
  • Catalytic Concentration; Chemistry; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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

Glycogen synthase (S) [Catalytic activity/Vol]Glycogen synthase [Enzymatic activity/volume] in SerumGlycogen Synthase Ser-cCncGlycogen synthaseCHEMGlycogen synthase, BloodCCnc

Frequently asked questions

Code details

Code2394-5
SystemLOINC
Display nameGlycogen synthase (S) [Catalytic activity/Vol]
DescriptionGlycogen synthase
Short nameGlycogen Synthase Ser-cCnc
ComponentGlycogen synthase
PropertyCCnc
TimingPt
System (specimen)Ser
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

Glycogen synthase, Blood

Part names

Glycogen synthaseCCncPtSerQnCatalytic ConcentrationPoint in time (spot)Serum

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 2394-5 | HealthAssure