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3187: Beta-hCG, Total Print View
Beta-hCG, Total IMMUNOASSAY  < 5  mIU/mL 

PRIMARY
1 Serum 1 (0.3) mL   Room Temperature - 14 Day(s)/Frozen - 6 Month(s)/Refrigerated - 14 Day(s)  
ALTERNATE

Primarily used for the confirmation of pregnancy. Urine hCG tests usually suffice for diagnosis of normal pregnancy when it has progressed beyond the first week after the first missed period. However, qualitative serum pregnancy tests can detect pregnancy earlier, and quantitative serum tests have advantages for prognosis of early pregnancy. Detectable amounts of hCG (approx. 5 IU/L) are present 8 to 11 days after conception, which is the 3rd week of pregnancy as measured from the last menstrual period. Levels in approximately half of pregnant women reach 25 IU/L on the first day of the missed period. The peak of immunological hCG occurs at about 8 to 10 weeks and is about 100,000 IU/L. Subsequently, concentrations of hCG start to decline slowly in urine and serum. Quantitative measurements of serum hCG can be useful in identifying ectopic pregnancies or abnormal intrauterine pregnancies. hCG levels can range from 0 to 200,000 IU/L with a geometric mean of about 1000 IU/L. In about 1% of patients with ectopic pregnancy, the hCG is undetectable using serum tests capable of measuring as little as 5 IU/L.
Setup Schedule
Sunday, Tuesday-Saturday

Reported (Analytical Time)
Same day

CPT Code
84702

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Reject criteria: Gross hemolysis Transport Temperature: Room temperature






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