CPT Code(s):

• 84443

Preferred Specimen:

1 mL serum

Minimum Volume:

0.5 mL

Transport Container:

Serum Separator Tube (SST)

Transport Temperature Name:

Room temperature

Specimen Stability Components:

• Room Temperature: 7 days
• Refrigerated: 7 days

Testing Schedule:

Daily

Methodology:

CHEMILUMINESCENCE

Reference Range:

0.55-4.78 mIU/L

Reject Criteria:

Gross hemolysis