Interventions: Incremental implementation of a
systems approach that incorporated a hospital policy to
(a) authorize nurses to obtain a bilirubin (total serum/
transcutaneous) measurement for clinical jaundice, (b)
universal predischarge total serum bilirubin (at routine
metabolic screening), and (c) targeted follow-up, using
the bilirubin nomogram (hour- specifi c, percentile-based
total serum bilirubin/ transcutaneous bilirubin).