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Cerebrospinal Fluid (CSF) Protein Electrophoresis (Qualitative)

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

This test measures the types and amounts of proteins in your cerebrospinal fluid (CSF) to help identify abnormalities in the brain’s protective fluid, often used to diagnose conditions like multiple sclerosis, infections, or tumors.

Quick summary

["This test helps detect protein patterns that may signal neurological issues."]

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

Key facts at a glance

LOINC
16262-8
Short code
Newberyite Cry Stone Ql IR
Synonyms
Newberyite Cry Stone Ql IR
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
infrared-spectroscopy
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you have symptoms like headaches, vision problems, numbness, weakness, or neurological concerns. It’s also used to monitor conditions like multiple sclerosis, meningitis, or brain tumors.

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. No special preparation is needed, but inform your doctor about any medications you’re taking.

What the Test Results Mean

Results show the distribution of proteins (e.g., albumin, globulins) in CSF. Abnormal patterns may indicate inflammation, infection, or structural issues in the brain. Your doctor will interpret results in the context of your symptoms and medical history.

Common Conditions Linked to Abnormal Results

High levels of certain proteins (e.g., IgG oligoclonal bands) may suggest autoimmune diseases like multiple sclerosis. Elevated albumin could indicate inflammation or blood-brain barrier disruption. Low protein levels might suggest severe infections or bleeding.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: How Results Guide Care

Short name

CSF Protein Electrophoresis (Qual)

Frequently asked questions

What causes abnormal protein patterns in CSF?
Abnormal protein patterns can result from neurological diseases (e.g., MS), infections (e.g., meningitis), tumors, or trauma. Other factors like blood contamination or technical errors can also affect results.
How long does it take to get results?
Results are typically available within 1–3 business days, depending on lab processing. Follow-up with your doctor to discuss findings and next steps.
Can I drink water before the test?
Yes, you can drink water as usual, but avoid caffeine or alcohol before the procedure. Avoid heavy meals to reduce discomfort during the lumbar puncture.
  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