Sample Requirements:
1 SST tube
Purpose:
Most sensitive test to evaluate thyroid function.
High Levels:
Suggests primary hypothyroidism.
Low Levels:
Suggests hyperthyroidism or pituitary issue.
Reference Range:
0.4–4.5 µIU/mL
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Test Code:
PDL0513
Division:
Special Chemistry
CPT Code:
84443
Sample Type:
Serum