ICD-10-CM > N00-N99 > N99-N99 > N99 > N99.5 > N99.51 N99.51 Complication of cystostomy Non-Billable/Non-Specific Codes N99.510Cystostomy hemorrhageN99.511Cystostomy infectionN99.512Cystostomy malfunctionN99.518Other cystostomy complication