Thyroid Profile with TSH

CPT Code(s):

  • 84436
  • 84479
  • 84443

Test Component(s):

  • Free Thyroxine Index
  • T3 Uptake
  • TSH
  • T4 Total
  • T3 Total

Preferred Specimen:

2 mL serum

Minimum Volume:

1 mL

Transport Container:

Plastic screw-cap vial

Transport Temperature Name:

Refrigerated (cold pack)

Specimen Stability Components:

  • Room Temperature: 4 days
  • Refrigerated: 7 days

Testing Schedule:

Daily

Methodology:

CHEMILUMINESCENCE

Reject Criteria:

Gross hemolysis

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Genesis