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HelpTest Code BHSF Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid
Specimen Required
Patient Preparation: For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
Container/Tube: Sterile vial
Specimen Volume: 1 mL
Collection Instructions: Submit specimen from collection vial number 1.
Children's Mercy Hospital
Note:
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 Rochester
CPT Code Information
84702