TSH
Free T4
Free T3
Condition
Normal
Normal
Normal
None
Hyperthyroidism
Normal
Normal
Subclinical Hyperthyroidism
Normal
T3 Toxicosis
Normal
Thyroiditis
T4 Ingestion
Secondary hypothyroidism
Sick Euthyroid syndrome
Normal
Normal
Subclinical hypothyroidism
Recovery from Sick Euthyroid syndrome
Primary hypothyroidism
Secondary Hyperthyroidism