What are the common hormone abnormalities seen in thyroid disease?

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