K29.9 Gastroduodenitis, unspecifiedNon-billable header with 2 child codes.
K29.90 Gastroduodenitis, unspecified, without bleedingK29.91 Gastroduodenitis, unspecified, with bleedingK92.2 Gastrointestinal hemorrhage, unspecified ("gastritis and duodenitis with hemorrhage (K29.-)")K29.70 Gastritis, unspecified, without bleedingK29.71 Gastritis, unspecified, with bleedingK29.8 DuodenitisK29.80 Duodenitis without bleedingK29.81 Duodenitis with bleedingK29.9 Gastroduodenitis, unspecified (this code)K29.90 Gastroduodenitis, unspecified, without bleedingK29.91 Gastroduodenitis, unspecified, with bleeding