ICD-10-CM > K00-K95 > K90-K95 > K91 > K91.8 > K91.84 K91.84 Postprocedural hemorrhage of a digestive system organ or structure following a procedure Non-Billable/Non-Specific Codes K91.840Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedureK91.841Postprocedural hemorrhage of a digestive system organ or structure following other procedure