Table 1

ICD-9 Codes

530.81
Esophageal reflux
530.11
Reflux esophagitis
787.03
Vomiting alone
564.03
Vomiting following gastrointestinal surgery
307.5
Eating disorder
779.3
Feeding problems in the newborn
933.1
Choking due to food regurgitation
578.0
Vomiting blood
306.4
Psychogenic vomiting

Baker et al. BMC Pediatrics 2008 8:11   doi:10.1186/1471-2431-8-11