Exploring Systemic Autoimmunity in Thyroid Disease Subjects

Table 2

Thyroid disease categorization.

Disease condition	TSH	FT4
Hypothyroidism
Subclinical hypothyroidism	>4.2 mIU/L	0.9–1.7 ng/dL
Overt hypothyroidism	>4.2 mIU/L	<0.9 ng/dL
Hyperthyroidism
Subclinical hyperthyroidism	<0.3 mIU/L	0.9–1.7 ng/dL
Overt hyperthyroidism	<0.3 mIU/L	>1.7 ng/dL