Thyroxine (Total T4)
| < 5 days | | 11.00 TO 23.00 µg/dL |
| Birth - 2wks | | 10.00 TO 17.00 µg/dL |
| 6mo - 1y | | 8.00 TO 17.00 µg/dL |
| Child ( < 5y) | | 7.00 TO 16.00 µg/dL |
| Child (5 - 12y) | | 6.00 TO 14.00 µg/dL |
| Child (13 - 15y) | | 5.00 TO 13.00 µg/dL |
| Adult ( > 16y) | Male | 5.00 TO 12.00 µg/dL |
| Adult ( > 16y) | Female | 6.00 TO 12.00 µg/dL |
| Adult (> 65y) | | 6.00 TO 11.00 µg/dL |
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