Albumin (CSF)
Also Known As
Test Parameters Included
- CSF Albumin Concentration (mg/dL) - absolute albumin level in cerebrospinal fluid
- Pathologist Clinical Biochemistry Remark - correlated with CSF/serum albumin quotient for blood-brain barrier assessment
Department
Methodology
Sample Required
Preparation
Schedule Report
24 Hours
Emergency Report
Yes
Frequently Asked Questions
What does CSF albumin measure?
CSF albumin measures the amount of albumin protein present in cerebrospinal fluid, reflecting the integrity of the blood-brain barrier (BBB) and intrathecal protein synthesis.
Why is CSF albumin tested alongside serum albumin?
Comparing CSF and serum albumin allows calculation of the albumin quotient (QAlb), which helps differentiate between blood-brain barrier dysfunction and increased intrathecal synthesis of immunoglobulins.
How is the sample collected for CSF albumin?
CSF is collected via lumbar puncture by a trained physician into a sterile container. The sample is sent to the lab for immunoturbidimetric assay.
What conditions elevate CSF albumin?
Elevated CSF albumin indicates blood-brain barrier disruption and is seen in conditions such as meningitis, encephalitis, multiple sclerosis, brain tumors, subarachnoid hemorrhage, and traumatic lumbar puncture.
What is the normal range for CSF albumin?
Normal CSF albumin typically ranges from 15 to 45 mg/dL, though reference intervals may vary by laboratory and patient age. The CSF-to-serum albumin ratio is also clinically significant.
How to access the report?
Verified PDF report is available within 24 hours via www.drpatholab.in or WhatsApp/Email after sample collection at our Chhatrapati Sambhajinagar centre.
Test Description
Test Code
A123
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