LOINC

LOINC Code 9379-9: Glutathione reductase Ql (RBC)

9379-9 is a LOINC code used to identify Glutathione reductase Ql (RBC) 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 reductase. 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 reductase. 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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated Glutathione reductase
  • Glutathione reductase
  • Chemistry; Erythrocytes; GR; GSR; Level; Mass concentration; Ordinal; Point in time; QL; Qual; Qualitative; Random; Red blood cells; Red blood corpusles; Screen

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 reductase Ql (RBC)Deprecated Glutathione reductaseDeprecated GR RBC QlGlutathione reductaseCHEMGlutathione reductase, Red blood cellsMCnc

Frequently asked questions

Code details

Code9379-9
SystemLOINC
Display nameGlutathione reductase Ql (RBC)
DescriptionGlutathione reductase
Short nameDeprecated GR RBC Ql
ComponentGlutathione reductase
PropertyMCnc
TimingPt
System (specimen)RBC
ScaleOrd
ClassCHEM
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.36

Consumer names

Glutathione reductase, Red blood cells

Part names

Glutathione reductaseMCncPtRBCOrdMass ConcentrationPoint 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 9379-9 | HealthAssure