LOINCActiveBoth

LOINC Code 74588-5: Succinate cytochrome C reductase (Fibroblast) [Catalytic activity/Mass]

74588-5 is a LOINC code used to identify Succinate cytochrome C reductase (Fibroblast) [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 Succinate cytochrome C reductase. It is commonly used with the system or sample type Fibroblasts.

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 Succinate cytochrome C reductase. It is commonly used with the system or sample type Fibroblasts.

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

  • Succinate cytochrome C reductase [Enzymatic activity/mass] in Fibroblast
  • Succinate cytochrome C reductase
  • Butanedioate; Butanedioic acid; Catalytic Content; Chemistry; cyt; Fib; Fibr; Point in time; QNT; Quan; Quant; Quantitative; Random; Succinate CyC Reduct; Succinic acid

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

Succinate cytochrome C reductase (Fibroblast) [Catalytic activity/Mass]Succinate cytochrome C reductase [Enzymatic activity/mass] in FibroblastSuccinate CyC Reduct Fib-cCntSuccinate cytochrome C reductaseCHEMSuccinate Cytochrome C Reductase, FibroblastCCnt

Frequently asked questions

Code details

Code74588-5
SystemLOINC
Display nameSuccinate cytochrome C reductase (Fibroblast) [Catalytic activity/Mass]
DescriptionSuccinate cytochrome C reductase
Short nameSuccinate CyC Reduct Fib-cCnt
ComponentSuccinate cytochrome C reductase
PropertyCCnt
TimingPt
System (specimen)Fibroblasts
ScaleQn
ClassCHEM
Example unitsnmol/min/mg protein
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.48
Last changed2.48

Consumer names

Succinate Cytochrome C Reductase, Fibroblast

Part names

Succinate cytochrome C reductaseCCntPtFibroblastsQnCatalytic ContentPoint in time (spot)Fibroblast

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.