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Beta-Human Chorionic Gonadotropin, Quantitative, Serum
Test Code13681L
CPT Codes
84702
Preferred Specimen
1 mL serum
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.
Minimum Volume
0.75 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 90 days
Refrigerated: 7 days
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Electrochemiluminescence Immunoassay
Setup Schedule
A.M. Sets up 6 days a week.
Clinical Significance
Monitoring patients for retained products of conception.
Aiding in the diagnosis of gestational trophoblastic disease (GTD), testicular tumors, ovarian germ cell tumors, teratomas, and, rarely, other human chorionic gonadotropin (hCG)-secreting tumors.
Serial measurement of hCG following treatment for:
-Monitoring therapeutic response in GTD or in hCG-secreting tumors
-Detecting persistent or recurrent GTD or hCG-secreting tumors
This test is not intended to detect or monitor pregnancy.
Aiding in the diagnosis of gestational trophoblastic disease (GTD), testicular tumors, ovarian germ cell tumors, teratomas, and, rarely, other human chorionic gonadotropin (hCG)-secreting tumors.
Serial measurement of hCG following treatment for:
-Monitoring therapeutic response in GTD or in hCG-secreting tumors
-Detecting persistent or recurrent GTD or hCG-secreting tumors
This test is not intended to detect or monitor pregnancy.
