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7020: Thyroid Panel Print View
T3 Uptake IA  22 - 35  % 
T4 (Thyroxine), Total IA  view ref range  mcg/dL 
Free T4 Index (T7) IA  1.4 - 3.8   

PRIMARY
1 Serum 1 (0.5) mL   Refrigerated - 7 Day(s)/Frozen - 28 Day(s)/Room Temperature - 7 Day(s)  
ALTERNATE
  Plasma Lithium Heparin 1 (0.5) mL   Room Temperature - 7 Day(s)/Refrigerated - 7 Day(s)/Frozen - 28 Day(s)  
  Plasma Heparinized 1 (0.5) mL   Refrigerated - 7 Day(s)/Frozen - 28 Day(s)/Room Temperature - 7 Day(s)  

For diagnosis of hypothyroidism and hyperthyroidism.
Setup Schedule
Sunday, Tuesday-Saturday

Reported (Analytical Time)
Same day

CPT Codes
84436,84479

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Also known as Free T4 Index.
Transport Temperature: Room temperature
Methodology: Immunoassay






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