ICD-10-CM > N00-N99 > N25-N29 > N28 > N28.8 N28.8 Other specified disorders of kidney and ureter Non-Billable/Non-Specific Type 1 Excludes hydroureter (N13.4)ureteric stricture with hydronephrosis (N13.1)ureteric stricture without hydronephrosis (N13.5) Codes N28.81Hypertrophy of kidneyN28.82MegaloureterN28.83NephroptosisN28.84Pyelitis cysticaN28.85Pyeloureteritis cysticaN28.86Ureteritis cysticaN28.89Other specified disorders of kidney and ureter