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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.


Forms

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

Useful For

Aiding in the diagnosis of brain metastases of testicular cancer or extragonadal intracerebral germ cell tumors

Method Name

Electrochemiluminescent Immunoassay (ECLIA)

Reporting Name

Chorionic Gonad Beta-Subunit QN,CSF

Specimen Type

CSF

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

Report Available

1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84702

LOINC Code Information

Test ID Test Order Name Order LOINC Value
BHSF Chorionic Gonad Beta-Subunit QN,CSF 14041-8

 

Result ID Test Result Name Result LOINC Value
BHSF Chorionic Gonad Beta-Subunit QN,CSF 14041-8