|Downtime form:||A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery|
|Red top tube 5 mL (Clot Activator)|
Absolute Minimum: 0.5 mL serum
0.54 IU/L or less - Consistent with healthy thyroid function or non-Graves thyroid or autoimmune disease. Those with healthy thyroid function typically have results less than 0.1 IU/L. 0.55 IU/L or greater - Consistent with Graves disease (autoimmune hyperthyroidism).