Question of the Week

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Question :

Posted On : 04 Feb 2018

Why do u order T3T4TSH plusfree t3t4 in a suspected case of hypothyroidism ,why not T3T4TSH only

Expert Answer :

Answer Discussion :

J

jaya lakshmi

in antibody induced thyroiditis free t3 t4 gives correct values

7 years ago

O

Om Lena

free t3 t4 is the active form

7 years ago

M

maurizio ostaldo

because T3 and T4 are nutrition depen dent

7 years ago

A

Awais tahir

molecular mimicry

7 years ago

M

mona saleh

those the active form of the hormones

7 years ago

Answer 1

It is cheaper to do T3, T4 rather than Free T3 and Free T4. However if cost is not an issue, then Free T3 and Free T4 should be done.