Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid

Test Code
69484


CPT Codes
86316

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


Patient Preparation
For 12 hours before specimen collection, do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.

Minimum Volume
0.75 mL


Transport Temperature
Refrigerated (cold packs)


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


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


Methodology
Electrochemiluminescent Immunoassay

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


Reference Range
≤1.0 IU/L


Clinical Significance
Test is used to facilitate the diagnosis of brain metastases of testicular cancer or extragonadal intracerebral germ cell tumors.


Performing Laboratory
Mayo Clinic Laboratories
200 First Street SW
Rochester, MN 55905



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.