Sign In
Regional Medical Lab
Test Directory


Beta-hCG (Human Chorionic Gonadotropin) Quantitative, Serum

Order Name HCG QUANT
Test Number: 3601425
Revision Date 06/19/2020
Test Name Methodology LOINC Code
Beta-hCG (Human Chorionic Gonadotropin) Quantitative, Serum
Chemiluminescence Assay 21198-7 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2mL (1mL) Serum Clot Activator SST (Gold Top) Refrigerated
Alternate 1 2mL (1mL) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Instructions Stability: Ambient 1 days. Refrigerated 7 days. Frozen 1 year.
Testing Schedule Daily 
Expected TAT 1-3 days  
Clinical Use Useful for diagnosis of pregnancy, investigation of suspected ectopic pregnancy and monitoring in vitro fertilization patients. Elevated hCG concentrations not associated with pregnancy may be found in patients with other diseases such as tumors of the germ cells, ovaries, bladder, pancreas, stomach, lungs, and liver. Results obtained with different assay methods should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient's course of therapy. 
CPT Code(s) 84702
Lab Section Chemistry