Test Code BHSF Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid
Specimen Required
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.
Container/Tube: Sterile vial
Specimen Volume: 1 mL
Collection Instructions: Submit specimen from collection vial 1.
CMH COLLECTION: 0.5 mL in sterile cup
Specimen Minimum Volume
0.75 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
CSF | Refrigerated (preferred) | 28 days | |
Ambient | 14 days | ||
Frozen | 14 days |
Useful For
Aiding in the diagnosis of brain metastases of testicular cancer or extragonadal intracerebral germ cell tumors
Reject Due To
Hemolysis | Reject |
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysReporting Name
Chorionic Gonad Beta-Subunit QN,CSFReference Values
<1.0 IU/L
Method Name
Electrochemiluminescent Immunoassay (ECLIA)
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
84702