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hCG Quantitative, Pregnancy
Test CodeLAB143
Alias/See Also
Human Chorionic Gonadotropin, hCG Quantitative Blood, Hcg
CPT Codes
84702
Preferred Specimen
4.5 ml (1.5 ml minimum) lithium heparin (green); alternate-SST (gold) or Red (no additive)
Minimum Volume
1 ml (500 ul minimum) plasma; alternate-serum
Other Acceptable Specimens
Gold SST
Instructions
After centrifugation, if not in gel barrier tube, pour off plasma/serum into an aliquot tube.
Transport Temperature
Room temp
Specimen Stability
Separated from cells: 8 hours room temp, 48 hours refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >10 mg/dL bilirubin, Hemolysis: >500 mg/dL hemoglobin, Lipemia: >1800 mg/dL triglycerides
Methodology
Immunoenzymatic
Setup Schedule
Mon-Sun
Reference Range
Healthy, non‐pregnant individuals typically have low (< 5 mIU/mL [IU/L]) to undetectable hCG
levels; however, hCG can rise to detectable levels in peri‐ and post‐menopausal women.5 hCG results
between 5 mIU/mL and 25 mIU/mL may be indicative of early pregnancy but should be interpreted in
light of the total clinical presentation of the patient. Results ≤2.9 mIU/mL will be reported as NEGATIVE
levels; however, hCG can rise to detectable levels in peri‐ and post‐menopausal women.5 hCG results
between 5 mIU/mL and 25 mIU/mL may be indicative of early pregnancy but should be interpreted in
light of the total clinical presentation of the patient. Results ≤2.9 mIU/mL will be reported as NEGATIVE
Performing Laboratory
Piedmont Athens Regional
