Congenital hypothyroidism

What is the meaning of an out of range screening result?

Normally, if a baby's newborn screening result for congenital hypothyroidism is out of the normal range, the baby's doctor will contact the parent to arrange for the baby to have additional testing. An out of range screening result does not necessarily mean that a baby has the condition. The out of range result may happen because the initial blood sample was too small or the test was performed too early. Therefore, it is very important to go to a follow-up appointment for a confirmatory test. Follow up testing must be completed as soon as possible to determine whether or not a baby has the condition in order to begin appropriate treatment.

Last updated on 05-01-20

Ana Rath and Stéphanie NGUENGANG WAKAP. Prevalence of rare diseases: Bibliographic data », Orphanet Report Series, Rare Diseases collection, January 2020, Number 2 : Diseases listed by decreasing prevalence, incidence or number of published cases Orphanet Report Series - Prevalence of rare diseases: Bibliographic data - January 2020 - Number 2. January 2020; Number 2. 64. Reference Link Orphanet Reference Link

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