LOINCActiveBoth

LOINC Code 2400-0: Guanine deaminase (Bld) [Catalytic activity/Vol]

2400-0 is a LOINC code used to identify Guanine deaminase (Bld) [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 Guanine deaminase. It is commonly used with the system or sample type Bld.

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 Guanine deaminase. It is commonly used with the system or sample type Bld.

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

  • Guanine deaminase [Enzymatic activity/volume] in Blood
  • Guanine deaminase
  • 2-amino-3,7-dihydropurin-6-one; Blood; C5H5N5O; Catalytic Concentration; Chemistry; Guanase; Point in time; QNT; Quan; Quant; Quantitative; Random; WB; Whole blood

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

Guanine deaminase (Bld) [Catalytic activity/Vol]Guanine deaminase [Enzymatic activity/volume] in BloodGuanine Deaminase Bld-cCncGuanine deaminaseCHEMGuanine deaminase, BloodCCnc

Frequently asked questions

Code details

Code2400-0
SystemLOINC
Display nameGuanine deaminase (Bld) [Catalytic activity/Vol]
DescriptionGuanine deaminase
Short nameGuanine Deaminase Bld-cCnc
ComponentGuanine deaminase
PropertyCCnc
TimingPt
System (specimen)Bld
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

Guanine deaminase, Blood

Part names

Guanine deaminaseCCncPtBldQnCatalytic ConcentrationPoint in time (spot)Blood

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 2400-0 | HealthAssure