CSF protein

Alternative names, keywords

CSF glucose information available here.

Samples required

Minimum of 0.5 mL CSF in plain universal container.

Please DO NOT use Vacuette^® tube as the additives can make the CSF unsuitable for analysis.

4^th sample from lumbar puncture requested - please refer to the CSF collection page.

Blood contamination of CSF invalidates the protein result.

Test indications

Factors affecting test performance/ results

Haemolysis interferes, blood in CSF sample invalidates result.

Results should always be assessed in conjunction with the patient’s medical history, clinical examination and other findings.

Reference range

Newborn: 400 - 1200 mg/L *
<1 month: 200 - 800 mg/L *
>1 month: 150 - 450 mg/L **

_{Sources:
*Soldin et al, Pediatric Reference intervals. 7th Edition (Meites et al, Pediatric clinical chemistry, 2nd ed. Washington DC: AACC Press, 1981:376)
**Roche Cobas^® Total Protein urine/CSF kit insert 2024-06, V10.0}

Turnaround time

Within 1 hour if urgent.

Enquiries

Biochemistry (Automation)