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Creatine in Cerebrospinal Fluid (CSF) Concentration

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

This test measures the amount of creatine, a chemical related to muscle function, found in your cerebrospinal fluid (the fluid surrounding the brain and spinal cord).

Quick summary

["Assesses potential muscle or metabolic issues affecting brain function through CSF chemistry."]

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

Key facts at a glance

LOINC
53074-1
Short code
Creatine CSF-sCnc
Synonyms
Creatine 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 Is This Test Done?

Your healthcare provider may order this test if you have symptoms like muscle weakness, neurological concerns, or if certain genetic conditions (such as mitochondrial disorders) are suspected. It can also help evaluate conditions affecting how your body uses energy or muscle proteins.

What to Expect Before the Test

No special preparation is typically needed. You may have a small needle inserted into your lumbar spine to collect a small sample of CSF. This is usually done in a hospital or clinic setting under sterile conditions.

What the Test Results Mean

Results are compared to what is normally found in CSF. Abnormal levels may indicate issues like muscle disorders, metabolic diseases, or other conditions affecting energy production or protein metabolism in your body.

Common Conditions Monitored

This test can help diagnose or monitor conditions such as mitochondrial disorders, certain genetic muscle diseases, or metabolic syndromes that impact energy production in cells.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Creatine CSF

Frequently asked questions

What does a normal result mean for my health?
A normal result suggests that your CSF creatine levels are within expected ranges, but it does not definitively rule out all possible conditions. Your healthcare provider will consider this test alongside other clinical findings to make a diagnosis.
How often will I need this test?
The frequency depends on your medical condition and treatment plan. Your doctor may recommend follow-up tests at specific intervals or if symptoms change.
Can I eat or drink before this test?
No dietary restrictions are usually required for this test. However, always follow your healthcare provider’s specific instructions, as they may vary based on your overall health or other tests scheduled.
  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