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Neuronal Protein Profile in Cerebrospinal Fluid (CSF)

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

This test measures specific proteins in your cerebrospinal fluid (CSF) that may indicate nerve cell health or damage. It’s often used to diagnose or monitor conditions affecting the brain and spinal cord.

Quick summary

["Assesses nerve cell integrity and potential neurological issues through CSF protein analysis."]

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

Key facts at a glance

LOINC
17337-7
Short code
Neuronal Ab CSF Ql IF
Synonyms
Neuronal Ab CSF Ql IF
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
if
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 doctor may recommend this test if you have symptoms like headaches, vision changes, weakness, numbness, or balance issues that could suggest nerve or brain problems. It’s also used in diagnosing conditions like multiple sclerosis, brain tumors, infections, or traumatic brain injury.

What to Expect Before the Test

You’ll likely have a lumbar puncture (spinal tap) where a small needle is inserted into your lower back to collect CSF. The procedure is quick but may cause mild discomfort. You may be asked to lie still for a short time afterward.

What the Test Involves

The collected CSF is analyzed for specific proteins linked to neuronal function. Tests may include measuring protein concentrations, ratios, or qualitative presence of certain markers using advanced lab techniques like immunoassay or chromatography.

What the Results Mean

Abnormal protein levels or patterns can signal nerve damage, inflammation, infections, or other neurological disorders. Your doctor will compare results to your symptoms and medical history to interpret them accurately.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: This test helps identify conditions affecting nerve cells, such as demyelinating diseases, tumors, or metabolic disorders. Elevated or altered protein profiles may indicate early-stage neurological issues that require further evaluation or treatment.

Short name

Neuronal CSF Protein Analysis

Frequently asked questions

What does a normal result mean?
A normal result suggests your CSF protein levels are within expected ranges for healthy nerve function, but it doesn’t rule out all possible conditions. Follow-up testing or additional evaluations may still be needed based on your symptoms and medical history.
How long does it take to get results?
Results are typically available within 1–3 business days after the CSF sample is processed in the lab. Your doctor will discuss findings with you during your follow-up visit.
Can I drink or eat anything before the test?
You can eat and drink normally before the test, as it doesn’t require fasting. However, inform your doctor about any medications you’re taking, as some may affect the procedure or 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