Test Code QPREG Chorionic Gonadotropin, Beta-Subunit (β-hCG), Quantitative, Serum

Methodology

Electrochemiluminescence Immunoassay Sandwich Assay

Performing Laboratory

Decatur Morgan Hospital-Decatur Campus/Parkway Campus

Specimen Requirements

Draw blood in a plain, red-top tube(s) or a serum gel tube(s). (Plasma is not acceptable.) Spin down and send 1 mL of serum.

Reference Values

Nonpregnant: <4 mIU/mL

After Fertilization	mIU/mL

4 weeks	40-6,230
5 weeks	620-29,300
6 weeks	3,660-108,000
7 weeks	10,900-148,000
8 weeks	30,700-184,000
9 weeks	67,200-169,000
10 weeks	30,000-167,000
14 weeks	15,000-92,100
15 weeks	10,600-64,200
16 weeks	9,000-52,800
17 weeks	6,700-47,100
18 weeks	6,100-42,100
19 weeks	6,800-42,900

Test Classification and CPT Coding

84702