The US Preventive Services Task Force (USP-STF) recommends screeningfor congenital hypothyroidism in newborns. (This is a grade"A" recommendation.) This reaffirmation recommendation statementis based on a targeted literature search for new and substantialevidence and is available online-only at http://www.annfammed.org/cgi/content/full/6/2/166-a/DC1.Supporting evidence is available at http://www.ahrq.gov/clinic/uspstf/uspscghy.htm.