What are the normal values of thyroid tests in children?

Dr PSN Menon
Consultant & Head, Department of Pediatrics
Jaber Al-Ahmed Armed Forces Hospital, Kuwait

Q: My son is 2 months and 6 days old. What should be the range of T3, T4, TSH test?

A:The normal range of thyroid function tests in children from 1 to 12 months, is:

T4: 7.5 - 15.5 micrograms/dl

T3: 1.13 - 2.4 ng/ml

TSH: 1.7 - 9 mU/ml