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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