The Albumin Level / Cerebrospinal Fluid (CSF) Test measures the amount of albumin in your spinal fluid. Albumin is a protein made by the liver and is normally found in very small amounts in the CSF. This test helps check the health of your blood-brain barrier (BBB) the protective layer that controls what enters the brain from the bloodstream. When the blood-brain barrier is damaged, albumin can leak into the CSF. High levels may be a sign of inflammation, infection, or other problems affecting the brain and spinal cord.
Indications for the Albumin / CSF Test
Your doctor shall recommend this test if you:
Have symptoms of a nervous system condition such as multiple sclerosis (MS), Guillain-Barré syndrome, or meningitis
Are being monitored for a neurodegenerative disease like ALS (amyotrophic lateral sclerosis)
Need evaluation for unexplained neurological symptoms such as weakness, numbness, or confusion
Show signs of a possible infection or inflammation in the brain or spinal cord
This test can also help doctors understand the severity and progression of diseases affecting the central nervous system.
Patient Preparation/Instructions
No fasting is required, and there are no special dietary restrictions.
Avoid heavy exercise before the test.
Let your healthcare provider know about any medications, allergies, or bleeding problems.
How the Test is Done
The test involves a lumbar puncture (spinal tap), a procedure where a small sample of CSF is collected from the lower back using a thin needle. This is done under sterile conditions and usually takes just a few minutes.You’ll be asked to lie still while the sample is collected. The procedure may feel uncomfortable, but it is generally safe and well-tolerated.
When the test is done you are advised to
- Rest for a few hours
- Avoid heavy lifting, bending, or intense activity for 24 hours
- Drink plenty of fluids to help prevent headaches
Reference Values
Normal albumin levels in CSF depend on age, but for most adults, they fall within:
10–45 mg/dL
Levels above 50 mg/dL may suggest a problem with the blood-brain barrier
Interpretation of Results
To evaluate how well your blood-brain barrier is working, doctors may calculate the albumin index, which compares the amount of albumin in your spinal fluid to that in your blood:
Less than 9: Normal
9–14: Slight impairment
15–30: Moderate impairment
31–100: Severe impairment
Over 100: Complete breakdown of the barrier
Sometimes, the test is done alongside other markers, such as IgG (an immune protein), to give more detailed insights.
Turnaround Time
Results are usually ready within 3 to 5 days.
In some cases, results may be faster if automated testing is available
Order Albumin level/CSF Test
To get started, click the ‘Order Test’ button and add the Albumin Level / CSF Test to your cart.
You’re also welcome to visit our Kilimani, Nairobi laboratory for more information or assistance.
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