Most infants with this combination of results have normal thyroid function and subsequently demonstrate normal T4 levels. However, a small percentage do in fact have thyroid abnormalities; clinical judgment is thus required in determining the timing and extent of follow-up.
Recommend reading the letter sent from the health department regarding conditions to consider in your assessment of child and determining follow-up.
For more information, refer to the health department (ADH) letter that was faxed to you. Call 501-364-4050 to speak with the Newborn Screening Coordinator or page at 501-364-1100.