ICD-10-CM > K00-K95 > K90-K95 > K92 K92 Other diseases of digestive system Non-Billable/Non-Specific Type 1 Excludes neonatal gastrointestinal hemorrhage (P54.0-P54.3) Codes K92.0HematemesisK92.1MelenaK92.2Gastrointestinal hemorrhage, unspecifiedK92.8Other specified diseases of the digestive systemK92.81Gastrointestinal mucositis (ulcerative)K92.89Other specified diseases of the digestive systemK92.9Disease of digestive system, unspecified