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hCG, Tumor Marker
MessagePerforming Lab: Central Lab
Test Code
1194
Alias/See Also
Sunquest: HCGTU; Beta-hCG, Tumor Marker
CPT Codes
84702
Preferred Specimen
1.0 mL Serum separator (gold-top)
Minimum Volume
0.3 mL
Instructions
Freez within 48 hours of collection.
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 48 hours
Frozen: 6 months
Frozen: 6 months
Methodology
Chemiluminescence
Setup Schedule
Monday, Wednesday, Thursday
Limitations
This assay measures both the intact and free beta subunits of the hCG molecule.
The use of this assay to monitor or diagnose patients with cancer has not been approved by the FDAor manufacturer of this assay.
The use of this assay to monitor or diagnose patients with cancer has not been approved by the FDAor manufacturer of this assay.
Reference Range
0 - 4 mIU/mL
Clinical Significance
A quantitative hCG test may be ordered to diagnose trophoblastic disease or germ cell tumors of the testes or ovary. It may be ordered at regular intervals to monitor the effectiveness of treatment for these conditions and to detect tumor recurrence.
