Lab Information Manual

Laboratory:

Clinical Biochemistry

Test Name:

HUMAN CHORIONIC GONADOTROPIN (HCG) - (CSF)

Test Code: MISC

Clinical Information:

Test Indications: This test is used for the diagnosis and management of intracranial germ cell tumors.
Recommendations: An Update on the Clinical Diagnostic Value of Beta-HCG and AFP for Intracranial Germ Cell Tumors. Eur J Med Res 2016, 21:10
Patient Preparation Instructions: Multivitamins (45–125 µg biotin) or biotin-only supplements up to 1 mg per day do not interfere with this test. Samples should not be taken from patients receiving therapy with high biotin doses (i.e. >5 mg/day) until at least 8 hours after the last dose.

Collection Devices:

Preferred Device:	1 - Sterile 15 mL Screw Cap Collection Container Sterile 15 mL Screw Cap Collection Container Manufacturer: Catalogue #:
Alternate Device:	1 - Sterile 15 mL Screw Cap Conical Tube Sterile 15 mL Screw Cap Conical Tube Manufacturer: Becton Dickinson Catalogue #:

Specimen Required:

Cerebrospinal Fluid: 1.0 mL
Freeze fluid if testing cannot be performed within 24 hours of collection.
Stability 3 days refrigerated, 7 days frozen

Referral:

Samples must be transferred to an aliquot tube and stored frozen if analysis will not be complete within 48 hours (#110-10-05 Serum / Plasma Separation Procedure & Transport)

Requisition:

_SH Body Fluid Requisition (R250-10-53)

Reference Values:

≤ 1.5 IU/L

Availability:

Daily or Stat