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Hexanoylcarnitine (Carnitine Metabolite)

Published: August 9, 2026Updated: August 16, 2026

This test measures a specific type of carnitine—a fatty acid derivative—found in your blood. It helps assess how well your body processes fats and certain metabolic functions.

Quick summary

["This test may help diagnose or monitor conditions affecting fat metabolism."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
54297-7
Short code
Hexanoylcarn Amn-sCnc
Synonyms
Hexanoylcarn Amn-sCnc
Category
chemistry
Sample
fluid
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
2-5 mL
Stability
Room temperature: 2h, Refrigerated: 24h
Hemolysis max
300
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your healthcare provider may order this test if you have symptoms like muscle weakness, fatigue, or unexplained metabolic issues. It’s also used in research or specialized testing for inherited disorders affecting carnitine metabolism.

What Does the Result Mean?

Results can vary based on your health, diet, and other factors. Abnormal levels might suggest metabolic disorders, but your doctor will interpret results in the context of your full medical history and other tests.

Sample Collection and Preparation

A blood sample is typically drawn from a vein in your arm. The sample is sent to a lab for analysis using advanced techniques like high-performance liquid chromatography (HPLC).

Common Conditions Monitored

This test is often used in cases of suspected carnitine deficiency, mitochondrial disorders, or inherited metabolic diseases. It may also be part of broader metabolic screening.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Hexanoylcarnitine

Frequently asked questions

What does a hexanoylcarnitine test involve?
It involves a simple blood draw to measure a specific fatty acid derivative in your bloodstream, analyzed through a specialized lab technique.
How long does it take to get results?
Results are usually available within 1–3 business days, depending on lab processing times and your healthcare provider’s workflow.
Can diet affect my test results?
Yes, certain foods or supplements may influence carnitine levels. Your doctor may recommend fasting or specific dietary adjustments before testing to ensure accurate results.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy