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7444: Thyroid Panel With Tsh 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   
TSH IA  view ref range  mIU/L 

PRIMARY
1 Serum 2 (1.2) mL   Frozen - 28 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 7 Day(s)  
ALTERNATE

For differential diagnosis of primary, secondary, and tertiary hypothyroidism. Also useful in screening for Hyperthyroidism. This assay adjustment of exogenous thyroxine dosage in Hypothyroid patients and in patients on suppressive thyroxine therapy for thyroid neoplasia.
Setup Schedule
Tuesday-Saturday

Reported (Analytical Time)
Same day

CPT Codes
84436,84443,84479

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
Methodology: Immunoassay (IA)
Transport Temperature: Room Temperature
Reject Criteria: Hemolysis; lipemia
Patient Preparation:
Specimen collection after fluorescein dye angiography should be delayed for at least 3 days. For patients on hemodialysis, specimen collection should be delayed for 2 weeks. According to the assay
manufacturer Siemens: "Samples containing fluorescein can produce falsely depressed values when tested with ADVIA Centaur TSH3 Ultra assay."






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