LOINCActiveBoth

LOINC Code 45378-7: Glutathione peroxidase (RBC) [Catalytic activity/Mass]

45378-7 is a LOINC code used to identify Glutathione peroxidase (RBC) [Catalytic activity/Mass] 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 Glutathione peroxidase. It is commonly used with the system or sample type RBC.

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 Glutathione peroxidase. It is commonly used with the system or sample type RBC.

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

  • Glutathione peroxidase [Enzymatic activity/mass] in Red Blood Cells
  • Glutathione peroxidase
  • Catalytic Content; Chemistry; Erythrocytes; Glutathione Px; GPX; GSH-PX; Peroxdse; POD; Point in time; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles

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

Glutathione peroxidase (RBC) [Catalytic activity/Mass]Glutathione peroxidase [Enzymatic activity/mass] in Red Blood CellsGlutathione Px RBC-cCntGlutathione peroxidaseCHEMGlutathione peroxidase, Red blood cellsCCnt

Frequently asked questions

Code details

Code45378-7
SystemLOINC
Display nameGlutathione peroxidase (RBC) [Catalytic activity/Mass]
DescriptionGlutathione peroxidase
Short nameGlutathione Px RBC-cCnt
ComponentGlutathione peroxidase
PropertyCCnt
TimingPt
System (specimen)RBC
ScaleQn
ClassCHEM
Example unitsU/g hb
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.70

Consumer names

Glutathione peroxidase, Red blood cells

Part names

Glutathione peroxidaseCCntPtRBCQnCatalytic ContentPoint in time (spot)Red Blood Cells

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 45378-7 | HealthAssure