LOINCBoth

LOINC Code 74603-2: C14:2 (Fibroblast) [Catalytic activity/Mass]

74603-2 is a LOINC code used to identify C14:2 (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 Tetradecadienoylcarnitine (C14:2). 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 Tetradecadienoylcarnitine (C14:2). 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: DISCOURAGED
  • Order vs observation: Both

What it does not mean

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

Key facts

Tetradecadienoylcarnitine (C142) [Enzymatic activity/mass] in Fibroblast
Tetradecadienoylcarnitine (C142)
C142; Catalytic Content; Chemistry; Fib; Fibr; II; Point in time; QNT; Quan; Quant; Quantitative; Random; Tdecadienoylcarn

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

C14:2 (Fibroblast) [Catalytic activity/Mass]Tetradecadienoylcarnitine (C14:2) [Enzymatic activity/mass] in FibroblastTdecadienoylcarn Fib-cCntTetradecadienoylcarnitine (C14:2)CHEMC14:2, FibroblastCCnt

Frequently asked questions

Code details

Code74603-2
SystemLOINC
Display nameC14:2 (Fibroblast) [Catalytic activity/Mass]
DescriptionTetradecadienoylcarnitine (C14:2)
Short nameTdecadienoylcarn Fib-cCnt
ComponentTetradecadienoylcarnitine (C14:2)
PropertyCCnt
TimingPt
System (specimen)Fibroblasts
ScaleQn
ClassCHEM
Example unitspmol/72 H/mg protein
StatusDISCOURAGED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.48
Last changed2.50

Consumer names

C14:2, Fibroblast

Part names

Tetradecadienoylcarnitine (C14:2)CCntPtFibroblastsQnCatalytic 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 74603-2 | HealthAssure