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.

LOINCActiveObservation

LOINC Code 53443-8: Carnitine palmitoyltransferase 2 (WBC control) [Catalytic activity/Mass]

Name: LOINC Code 53443-8: Carnitine palmitoyltransferase 2 (WBC control) [Catalytic activity/Mass]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:36.030Z

53443-8 is a LOINC code used to identify Carnitine palmitoyltransferase 2 (WBC control) [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 WBC^Control.

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 WBC^Control.

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: Observation

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 Control Leukocytes
Carnitine palmitoyltransferase 2
Carnitine acyltransferase II; Carnitine.total; Catalytic Content; Chemistry; Contrl; CPT; CPT II; CPT2; II; Leukocytes; Normal; Point in time; QNT; Quan; Quant; Quantitative; Random; WBCs; White blood cells

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 (WBC control) [Catalytic activity/Mass]Carnitine palmitoyltransferase 2 [Enzymatic activity/mass] in Control LeukocytesCPT2 WBC Cont-cCntCarnitine palmitoyltransferase 2CHEMCarnitine palmitoyltransferase 2, control White blood cellsCCnt

Frequently asked questions

Code details

Code53443-8

SystemLOINC

Display nameCarnitine palmitoyltransferase 2 (WBC control) [Catalytic activity/Mass]

DescriptionCarnitine palmitoyltransferase 2

Short nameCPT2 WBC Cont-cCnt

ComponentCarnitine palmitoyltransferase 2

PropertyCCnt

TimingPt

System (specimen)WBC^Control

ScaleQn

ClassCHEM

Example unitsnmol/min/mg protein

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.26

Last changed2.70

Consumer names

Carnitine palmitoyltransferase 2, control White blood cells

Part names

Carnitine palmitoyltransferase 2CCntPtWBC^controlQnCatalytic ContentPoint in time (spot)

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.