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Diagnostic criteria for thyroid diseases and classification criteria.
| Thyroid disease | Diagnostic criteria |
|---|---|
| Clinical hypothyroidism | TSH>4.2mIU/L;FT4<12pmol/L |
| Subclinical hypothyroidism (SCH) | TSH>4.2mIU/L;FT4 12-22pmol/L |
| TPOAb positive | TPOAb>34 IU/ml |
| TgAb positive | TgAb>115 IU/ml |
