Test Overview
Test Methodology

Chemiluminescent Immunoassay (CLIA)

Test Usage

Useful in the diagnosis of early pregnancy, diagnosis of choriocarcinoma, tumor marker, embryonal cell carcinomas

Reference Range *

Normal male and non pregnant female non-dectable to 5 mIU/mL. Positive pregnancy 25 mIU/mL and above. Post-menopausal women <12 mlU/mL. Tumor marker less than 5 mIU/mL.

Test Limitations

Specimens stored greater than 8 hours should not be used for testing.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

2 hours

Soft Order Code
BHCG
MiChart Code
Pregnancy (Serum), Quantitative bHCG
Synonyms
  • Beta Subunit HCG
  • BHCG
  • HCG Beta Subunit
  • HCG, Quantitative
  • Human Chorionic Gonadotropin, Quantitative
  • HCG, BETA SUBUNIT
  • Pregnancy Test
Laboratory
Chemical Pathology
Section
Automation
STAT Availability

STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

Specimen Requirements
Collection Instructions

Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 48 hours or freeze for longer storage.

Alternate Specimen
Red Top Tube
Rejection Criteria
Specimen: Plasma
Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
84702
Fee Code
23305
LOINC
21198-7
NY State Approved
No