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Laboratory Medicine

Test catalogue

β-Human Chorionic Gonadotropin Quatitation, Serum (β-hCG, BHCG, Pregnancy Test)

Test Name

β-Human Chorionic Gonadotropin Quatitation, Serum (β-hCG, BHCG, Pregnancy Test)

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 3 mL Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum collected in gold top tube (SST). Write your initials, date and time of collection on the collection label or requisition.

Special Instructions Separate serum from cells as soon as possible.

Rejection Criteria: Unlabeled or samples of non sufficient quantity.

Stability: Stable at room temperature for 8h, refrigerated for 48h,and for six months at -20°C. Thaw samples once only.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

1 hour for Trauma/Stat
2 hours for routine

Test Utilization

Reference Value

Regular:

Males: < 5 IU/L

Non-pregnant: < 5 IU/L

Positive : >24 IU/L

Post Menopausal: < 12 IU/L

 

Pregnant:

1st week: < 50 IU/L

2nd week: 40-500 IU/L

3rd week: 100-2000 IU/L

4th week: 500-8000 IU/L

1st trimes: 800-250000 IU/L

2nd trimes: 6000-100000 IU/L

3rd trimes: 4000-75000 IU/L

Test Code

BHCG

Methodology

Two-site Immunoassay

Testing Location

SMH-Biochemistry

Other Information

Last Updated: November 19, 2019