Free T3: < 1 years: Call Client Services
< 10 years: 282 - 518
< 14 years: 286 - 556
18 years: 242 – 501
>= 18 years: 210 - 440 pg/dL
T3, Total: < 1 months: Call Client Services
< 24 months: 117 – 239
< 13 years: 105 - 207
< 21 years: 86 – 192
>= 21 years: 76 - 181 ng/dL