Albumin, CSF

Test Code

Quest Code

CPT Codes

Preferred Specimen
1 mL CSF collected in a sterile plastic leak-proof container

Minimum Volume
0.5 mL

CSF must be clear

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 42 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Xanthochromia/RBCs/hemolysis in CSF


Setup Schedule
Set up: Mon-Sat; Report available: Next day

Reference Range
8.0-42.0 mg/dL

Clinical Significance
Albumin, CSF is useful in evaluating the integrity of the blood brain barrier. Concentrations may be increased in patients with Central Nervous System (CNS) inflammation, trauma, or autoimmune disease.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.