LOINCActiveBoth

LOINC Code 74577-8: Pyruvate dehydrogenase complex (Fibroblast) [Catalytic activity/Mass]

74577-8 is a LOINC code used to identify Pyruvate dehydrogenase complex (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 Pyruvate dehydrogenase complex. 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 Pyruvate dehydrogenase complex. 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

  • Pyruvate dehydrogenase complex [Enzymatic activity/mass] in Fibroblast
  • Pyruvate dehydrogenase complex
  • Catalytic Content; Chemistry; Compx; Dehydrog; Dehyrdogenase; Fib; Fibr; PDC; PDH; Point in time; Pyruvic acid; QNT; Quan; Quant; Quantitative; Random

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

Pyruvate dehydrogenase complex (Fibroblast) [Catalytic activity/Mass]Pyruvate dehydrogenase complex [Enzymatic activity/mass] in FibroblastPDC Fib-cCntPyruvate dehydrogenase complexCHEMPyruvate dehydrogenase complex, FibroblastCCnt

Frequently asked questions

Code details

Code74577-8
SystemLOINC
Display namePyruvate dehydrogenase complex (Fibroblast) [Catalytic activity/Mass]
DescriptionPyruvate dehydrogenase complex
Short namePDC Fib-cCnt
ComponentPyruvate dehydrogenase complex
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

Pyruvate dehydrogenase complex, Fibroblast

Part names

Pyruvate dehydrogenase complexCCntPtFibroblastsQnCatalytic 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.

LOINC Code 74577-8 | HealthAssure