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Test Code HCGQ1 BETA HCG, QUANTITATIVE, SERUM  

Important Note

24 hours before this blood test: Do not take any supplements containing biotin or Vitamin B7 which are commonly found in hair, skin, and nail supplements, and multi-vitamins.

Sufficient Biotin concentrations in serum can lead to falsely decreased results.

Methodology

Chemiluminescent Immunoassay - OrthoClinical Diagnostics Vitros 7600 XT

Useful for confirmation of pregnancy; diagnosis of ectopic pregnancy, threatened abortion, multiple gestations, and some germ cell tumors.

Specimen Requirements

 

Submit only 1 of the following specimens:

 

Preferred:

Serum

Serum Gel Tube

Container/Tube: Serum gel tube(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of serum

Collection Instructions: Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum).

 

Alternate:

Serum

Plain, Red-Top Tube

Container/Tube: Plain, red-top tube(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of serum

Collection Instructions: Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum).

 

Alternate:

Plasma

Container/Tube: Green-top (lithium heparin) tube(s) or lavender-top (EDTA) tube(s)

Specimen Volume: 2 mL (minimum volume: 1 mL) of plasma

Collection Instructions: Spin down within 4 hours of draw.

Note: Label specimen appropriately (plasma).

Specimen Retention Time

6 days

Day(s) Test Set Up

Monday through Friday, Routine

Available STAT Monday through Sunday

Reference Values

Males: <3 mIU/mL

Females, nonpregnant: <5 mIU/mL

Females, post-menopausal: <7 mIU/mL

Females, pregnant (gestational age):

0-1 week: 0-50 mIU/mL

1-2 weeks: 40-300 mIU/mL

2-3 weeks: 100-1000 mIU/mL

3-4 weeks: 500-6000 mIU/mL

4-6 weeks: 3600-135000 mIU/mL

6-10 weeks: 22600-151000 mIU/mL

Tumor markers are not specific for malignancy, and values may vary by method.

Performing Laboratory

Logan Health Medical Center-Chemistry

Test Classification and CPT Coding

84702

Specimen Transport Temperature

Refrigerate