Test Code LAB143 Human Chorionic Gonadotropin (hCG), Beta, Quantitative
Useful For
- Early detection of pregnancy
- Investigation of suspected ectopic pregnancy or other pregnancy-related complications
- Monitoring in vitro fertilization patients
Methodology
Electrochemiluminescence Immunoassay (ECLIA)
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Specimen Transport Temperature
Refrigerated
Specimen Stability
Specimen Type | Temperature | Time |
---|---|---|
Plasma or Serum | Ambient | 24 hours |
Refrigerated | 3 days | |
Frozen | 1 year |
Reference Values
Approximate HCG Range | Interpretation | |
---|---|---|
Female: | 0-6 mIU/mL | Negative |
7-25 mIU/mL | Intermediate: Suggest repeat in 48 hours | |
Weeks Post LMP | ||
Pregnant Female: | 9-130 mIU/mL | 3-4 weeks |
75-2,600 mIU/mL | 4-5 weeks | |
850-20,800 mIU/mL | 5-6 weeks | |
4,000-100,200 mIU/mL | 6-10 weeks | |
5,000-200,000 mIU/mL | 10-12 weeks | |
18,300-137,000 mIU/mL | 12-16 weeks | |
1,400-53,000 mIU/mL | 16-29 weeks | |
1,000-50,000 mIU/mL | 29-41 weeks |
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
84702