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Test ID BHSF Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid

Useful 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

CSF


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.


Specimen Stability Information

Specimen Type Temperature Time
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 days

Reject Due To

Hemolysis Reject

Forms

If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.

Secondary ID

8877