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Test Code HCGN Beta Chorionic Gonadotropin (hCG), Quantitative

Additional Codes

EPIC:  LAB143

Methodology

Chemiluminescent Immunoassay
Used for the early detection of pregnancy, predicting spontaneous abortions, the detection of ectopic pregnancy, and multiple gestation.

Performing Laboratory

St. Joseph Hospital

Specimen Requirements

Preferred:

Plasma

Draw blood in a light green-top (lithium heparin gel) tube(s). (Hemolyzed specimen is not acceptable.) Spin down, separate plasma from cells within 2 hours of collection, and send 1 mL of lithium heparin plasma refrigerated.

Note:  Label specimen as “plasma”.

 

Acceptable:

Serum

Draw blood in a plain, red-top tube(s) or a serum gel tube(s). (Hemolyzed specimen is not acceptable.) Spin down, separate serum from cells within 2 hours of collection, and send 1 mL of serum refrigerated.

Note:  Label specimen as “serum”

Reference Values

Non-pregnant females:  <10 mIU/mL
Pregnant females

0 days-1 week:  5-50 mIU/mL
1-2 weeks:  50-500 mIU/mL
2-3 weeks:  100-5,000 mIU/mL
3-4 weeks:  500-10,000 mIU/mL
4-5 weeks:  1,000-50,000 mIU/mL
5-6 weeks:  10,000-100,000 mIU/mL
6-8 weeks:  150,000-200,000 mIU/mL
2-3 months:  10,000-100,000 mIU/mL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

84702