Hypothyroid Post Pill T4

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Test Code: T497
Results:: 1-2 days.
Specimen: 0.5 mL serum in red top or serum separator tube.
Test Description: Used for monitoring thyroid status in patients previously diagnosed as hypothyroid, being supplemented on synthetic thyroid hormone (4-6 hours post pill).

Note: Draw serum 4-6 hours post pill.