ICD-10-CM > N00-N99 > N25-N29 > N28 N28 Other disorders of kidney and ureter, not elsewhere classified Non-Billable/Non-Specific Codes N28.0Ischemia and infarction of kidneyN28.1Cyst of kidney, acquiredN28.8Other specified disorders of kidney and ureterN28.81Hypertrophy of kidneyN28.82MegaloureterN28.83NephroptosisN28.84Pyelitis cysticaN28.85Pyeloureteritis cysticaN28.86Ureteritis cysticaN28.89Other specified disorders of kidney and ureterN28.9Disorder of kidney and ureter, unspecified