Triiodothyronine (Total T3)
| < 5 days | | 1.00 TO 7.50 ng/mL |
| Infant (0 - 1y) | | 1.10 TO 2.43 ng/mL |
| Child ( < 5y) | | 1.10 TO 2.75 ng/mL |
| Child (5 - 12y) | | 0.95 TO 2.45 ng/mL |
| Child (13 - 15y) | | 0.85 TO 2.20 ng/mL |
| 16y - 18y | | 0.85 TO 2.15 ng/mL |
| Adult ( > 16y) | | 1.00 TO 2.10 ng/mL |
| Adult (> 65y) | | 0.50 TO 1.90 ng/mL |
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