TSH T4 T3 Interpetation
High Normal Normal Mild (subclinical) hypothyroidism
High Low Low/
normal Hypthyroidism
Low Normal Normal Mild (subclinical) hperthyroidism
Low High/ High/ Hyperthyroidism
normal normal
Low Low/ Low/ Nonthyroidal illness
normal normal rare pituitary (secondary)
hypothyroidism.