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HelpTest Code LAB6104 Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid
Additional Codes
BHSF
Reporting Name
Chorionic Gonad Beta-Subunit QN,CSFUseful For
Aiding in the diagnosis of brain metastases of testicular cancer or extragonadal intracerebral germ cell tumors
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
CSFSpecimen 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.
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 |
Reference Values
<1.0 IU/L
Day(s) Performed
Monday through Saturday
CPT Code Information
84702
Report Available
1 to 3 daysReject Due To
| Hemolysis | Reject |
Method Name
Electrochemiluminescent Immunoassay (ECLIA)
Forms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.