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Cerebrospinal Fluid Propionylcarnitine (Mass Concentration)

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

This test measures the amount of propionylcarnitine, a breakdown product of certain amino acids, in your cerebrospinal fluid (CSF). It may be used to assess metabolic conditions affecting fat and amino acid metabolism.

Quick summary

["Propionylcarnitine in CSF can help diagnose metabolic disorders."]

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

Key facts at a glance

LOINC
54330-6
Short code
Propionylcarn CSF-sCnc
Synonyms
Propionylcarn CSF-sCnc
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
1-2 mL
Stability
Immediate analysis required, Refrigerated: 1h
Hemolysis max
200
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms suggestive of metabolic disorders, such as developmental delays, muscle weakness, or neurological issues. It could also be part of a broader evaluation for conditions like propionic acidemia or other inherited metabolic diseases.

What to Expect Before the Test

No special preparation is typically required. You may be asked to fast for a few hours before the test, but this will be confirmed by your doctor. The procedure involves a simple spinal tap (lumbar puncture) where fluid is collected from your spinal canal.

What the Test Results Mean

Elevated levels of propionylcarnitine in CSF may indicate metabolic disorders. Your doctor will interpret the results in the context of your symptoms, medical history, and other test results. Abnormal findings can guide treatment decisions.

Common Conditions Monitored

This test is often used to monitor conditions like propionic acidemia, methylmalonic acidemia, or other inborn errors of metabolism that involve abnormal fat or amino acid metabolism.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Elevated propionylcarnitine in CSF can signal underlying metabolic dysfunction. Early detection can lead to timely interventions, such as dietary modifications or enzyme replacement therapies, to manage symptoms and prevent complications. Your doctor will discuss the implications of your results with you.

Short name

CSF Propionylcarnitine

Frequently asked questions

What causes elevated propionylcarnitine in CSF?
Elevated levels may be linked to inherited metabolic disorders, such as propionic acidemia or other conditions affecting amino acid metabolism. It can also occur in cases of severe illness or stress that disrupts normal metabolic processes.
How is this test different from blood propionylcarnitine tests?
This test specifically measures propionylcarnitine in cerebrospinal fluid, whereas blood tests measure it in blood plasma or serum. CSF tests are typically used for diagnosing neurological or metabolic disorders affecting the central nervous system.
Can lifestyle changes affect the results of this test?
While lifestyle factors like diet may influence blood propionylcarnitine levels, CSF levels are generally less affected by external factors. Your doctor will provide specific guidance based on your test results and medical situation.
  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