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Test Code Billings Clinic: 7004 Pregnancy, Serum

Performing Laboratory

Billings Clinic Laboratory: Hematology

Useful For

  • This is a qualitative test to detect human chorionic gonadotropin (hCG) for the early detection of pregnancy.
  • Elevated concentrations may occur in patients with choriocarcinoma, hydatiform mole, testicular tumors, prostatic cancer, breast cancer, and lung cancer.
  • High concentrations of heterophile antibodies may rarely cause discordant results.

Methodology

Rapid chromatographic immunoassay

Specimen Requirements

  • Specimen must arrive within 48 hours of draw.
  • Draw blood in a plain, red-top tube or a serum gel tube.
  • Spin down and send 1 mL of serum refrigerated.

Reference Values

<10 mIU/mL (negative)

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

84703 - Gonadotropin, chorionic (hCG); qualitative

LOINC Code Information

Reporting Name LOINC Code
Pregnancy, serum 2118-8