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    What does my TSH blood test report indicate?

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Posted on Mon, 31 Jul 2017 in Child Health
Question: Our daughter is 2 weeks old and her TSH is at 8.84, whereas her T4 is at 1.84. We haven't been contacted yet by the pediatrician to know if these limits are within the norm. We live in WA state.
Are these levels normal? Do levels of TSH and T4 change from state to state?
Mom has thyroid (Hashimoto) and was taking 100mg of medicine (daily) during pregnancy.
doctor
Answered by Dr. Diptanshu Das 36 minutes later
Brief Answer:
Level normal. No need to worry.

Detailed Answer:
Thanks for asking on HealthcareMagic.

I have gone carefully through your query and understand your concerns. Let me assure you that for a baby of this age the level is absolutely normal and nothing to be concerned about. However, a follow up check can be done after 6 weeks.

Let me know if I could help further.

Regards
Above answer was peer-reviewed by : Dr. Kampana
doctor
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Follow up: Dr. Diptanshu Das 11 hours later
Hello,

Thank you for the prompt reply. We are not sure of it is Total or Free T4. What is the significance if it is Free T4 vs Total T4?
My daughter's TSH at birth was 10.3.
We just want to know that at two weeks of age TSH at 8.84 is not harmful as we understand the implications of high TSH can be devastating!
Also, is TSH in combination of Bilirubin of 12 causing this sleepiness and lethargy?

doctor
Answered by Dr. Diptanshu Das 1 hour later
Brief Answer:
No need to worry. No intervention needed.

Detailed Answer:
The total thyroid hormones or its free section are not the main concern. TSH below 18 in the case of a neonate is considered acceptable. No need to worry. No medication needed.

Before the birth, the baby has a hemoglobin level higher than the mother so that it can extract oxygen from the mother's blood. This extra hemoglobin is no longer needed afterbirth and breaks down to produces bilirubin. The acceptable range varies with the day of life and weight in kg. The initial level is acceptable and needs no phototherapy and morning rays of sun should suffice. In any case, bilirubin levels or its combination with TSH levels will not make the child lethargic.

Feel free to write back.

Regards
Above answer was peer-reviewed by : Dr. Arnab Banerjee
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Answered by
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Dr. Diptanshu Das

Pediatrician

Practicing since :2005

Answered : 3821 Questions

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