LOINCActiveBoth

LOINC Code 53438-8: Carnitine palmitoyltransferase 2 (Fibroblast) [Catalytic activity/Mass]

53438-8 is a LOINC code used to identify Carnitine palmitoyltransferase 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 Carnitine palmitoyltransferase 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 Carnitine palmitoyltransferase 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: ACTIVE
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Carnitine palmitoyltransferase 2 [Enzymatic activity/mass] in Fibroblast
  • Carnitine palmitoyltransferase 2
  • Carnitine acyltransferase II; Carnitine.total; Catalytic Content; Chemistry; CPT; CPT II; CPT2; Fib; Fibr; II; 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

Carnitine palmitoyltransferase 2 (Fibroblast) [Catalytic activity/Mass]Carnitine palmitoyltransferase 2 [Enzymatic activity/mass] in FibroblastCPT2 Fib-cCntCarnitine palmitoyltransferase 2CHEMCarnitine palmitoyltransferase 2, FibroblastCCnt

Frequently asked questions

Code details

Code53438-8
SystemLOINC
Display nameCarnitine palmitoyltransferase 2 (Fibroblast) [Catalytic activity/Mass]
DescriptionCarnitine palmitoyltransferase 2
Short nameCPT2 Fib-cCnt
ComponentCarnitine palmitoyltransferase 2
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 released2.26
Last changed2.70

Consumer names

Carnitine palmitoyltransferase 2, Fibroblast

Part names

Carnitine palmitoyltransferase 2CCntPtFibroblastsQnCatalytic 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.