Alpha-Fetoprotein, CSF

Test Code

CPT Codes

Preferred Specimen
3 mL CSF collected in a sterile plastic screw-cap container

Minimum Volume
2 mL

Transport Temperature

Specimen Stability
Room temperature: 14 days
Refrigerated: 28 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly lipemic

Immunoassay (IA)

Setup Schedule
Set up: Tues-Sat; Report available: 2-3 days

Reference Range
<0.5 ng/mL

Clinical Significance
Elevated AFP levels have been seen not only in patients with non-seminomatous testicular cancer, but also in patients with other malignancies such as hepatocellular carcinoma, ovarian cancer, gastrointestinal cancer and pulmonary cancer. AFP is also frequently elevated in benign hepatic conditions such as acute viral hepatitis, chronic active hepatitis, and cirrhosis.

Performing Laboratory
Quest Diagnostics Nichols Inst San Juan Capistrano
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

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.