Thyroxine, Free Index (FTI) (ARUP via RPS)

Test Code

TINDEX

Specimen Name

Thyroxine, Free Index (FTI) (ARUP via RPS)

CPT Codes

  • 84436
  • 84479

Collect

Serum (2)

Stability

Refrigerate

Volume

1 mL

Minimum Volume

0.5 mL

Performed

Performed everyday / Results within 24 hours

Additional Information

ARUP # 3005976

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT