. Author manuscript; available in PMC: 2018 Jan 1.

Published in final edited form as: J Pediatr. 2016 Oct 25;180:206–211.e1. doi: 10.1016/j.jpeds.2016.09.069

Table x.

ICD-9 codes used to identify a cohort of infants with cystic fibrosis (CF) and other hospital diagnoses from Washington State hospital discharge data linked to birth certificates 1996-2013.

CF-specific	277.00, 277.01, 277.02, 277.03, 277.09
Hospital Diagnoses
Respiratory	493,417, 466.0, 490, 491, 480 – 488, 518.81, 518.1, 770, 769, 997.31
Gastrointestinal	251.8, 251.9, 577.9, 557.8, 579.8, 579.9, 560, 777.1, 008, 564, 009.2, 009.3, 787.91, 779.32, 779.33
Failure to thrive	783.21, 779.34, 783.41, 779.31
Fever/ Infection	780.6, 780.61, 078.2, 771, 136.9
Meconium ileus	277.01, 777.1