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Test Code BHCG Beta-hCG Quantitative, Serum or Plasma

Methodology

Enzyme Immunoassay (EIA)

Specimen Requirements

Container/Tube:

Preferred: Lithium heparin (light green-top)

Acceptable: Serum Gel

 Draw blood, spin down and send 1 mL  of plasma or serum.

Specimen Stability Information

 

Specimen Type

Temperature

Time

Serum

RT, spun

5 days
 

Refrigerated., spun

14 days

 

Reference Values

 

        Nonpregnant females and males:   <5 mIU/mL
After Fertilization After Last Menstrual Period  mIU/mL
2 weeks 4 weeks 5-100
3 weeks 5 weeks 200-3,000
4 weeks 6 weeks 10,000-80,000
5-12 weeks 7-14 weeks 90,000-500,000
13-25 weeks 15-26 weeks 5,000-80,000
26-28 weeks 27-40 weeks 3,000-15,000

 

Reject Due To

 

Hemolysis

Mild:

ok

Gross:

ok

Lipemia

Mild:

ok

Gross:

ok

Icterus

Mild:

ok

Gross:

ok

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

84702

Performing Laboratory

Huntsville Hospital Laboratory/Madison Hospital Laboratory

LOINC Coding

Test Name LOINC Code

Beta-hCG, Quantitative β-hCG, Serum or Plasma

 20415-6