ICD-10-CM > K00-K95 > K90-K95 > K91 > K91.8 > K91.89 K91.89 Other postprocedural complications and disorders of digestive system Billable/Specific Copy Code Copy Description Use Additional code, if applicable, to further specify disorder Type 2 Excludes postprocedural retroperitoneal abscess (K68.11)