Table 7 Reference ranges for thyroid function tests at ages 1-4 days and 2-4 weeks [64]
Age | Free T4 (pmol/L) | Total T4 (nmol/L) | TSH (mU/L) |
|---|---|---|---|
1-4 days | 25-64 | 129-283 | < 39 |
2-4 weeks | 10-26 | 90-206 | < 10 |
Age | Free T4 (pmol/L) | Total T4 (nmol/L) | TSH (mU/L) |
|---|---|---|---|
1-4 days | 25-64 | 129-283 | < 39 |
2-4 weeks | 10-26 | 90-206 | < 10 |