What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 76618-8: Mitochondrial respiratory chain enzymes 1-14C-glutamate substrate (Fibroblast) [Catalytic activity/Mass]

Name: LOINC Code 76618-8: Mitochondrial respiratory chain enzymes 1-14C-glutamate substrate (Fibroblast) [Catalytic activity/Mass]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:57.646Z

76618-8 is a LOINC code used to identify Mitochondrial respiratory chain enzymes 1-14C-glutamate substrate (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 Mitochondrial respiratory chain enzymes. 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 Mitochondrial respiratory chain enzymes. 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
Method: 1-14C-glutamate substrate

What it does not mean

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

Key facts

Mitochondrial respiratory chain enzymes [Enzymatic activity/mass] in Fibroblast by 1-14C-glutamate substrate
Mitochondrial respiratory chain enzymes
1-14C-glut subst; Catalytic Content; Chains; Chemistry; Chn; Enz; Enzyme; Fib; Fibr; i; Mito resp chain enzymes; Point in time; 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

Mitochondrial respiratory chain enzymes 1-14C-glutamate substrate (Fibroblast) [Catalytic activity/Mass]Mitochondrial respiratory chain enzymes [Enzymatic activity/mass] in Fibroblast by 1-14C-glutamate substrateMito enzy Fib 1-14C-glut substr-cCntMitochondrial respiratory chain enzymesCHEMMitochondrial respiratory chain enzymes, FibroblastCCnt

Frequently asked questions

Code details

Code76618-8

SystemLOINC

Display nameMitochondrial respiratory chain enzymes 1-14C-glutamate substrate (Fibroblast) [Catalytic activity/Mass]

DescriptionMitochondrial respiratory chain enzymes

Short nameMito enzy Fib 1-14C-glut substr-cCnt

ComponentMitochondrial respiratory chain enzymes

PropertyCCnt

TimingPt

System (specimen)Fibroblasts

ScaleQn

Method1-14C-glutamate substrate

ClassCHEM

Example unitsnmol/H/mg protein

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.52

Last changed2.52

Consumer names

Mitochondrial respiratory chain enzymes, Fibroblast

Part names

Mitochondrial respiratory chain enzymesCCntPtFibroblastsQn1-14C-glutamate substrateCatalytic 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.