T4 (Thyroxine), Total

CPT Code(s):

  • 84436

Preferred Specimen:

1 mL serum

Minimum Volume:

0.5 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

Reference Range:

4.5 Ð 12.0 ug/dL

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Genesis