ICD-11

Any condition caused by trauma, medical intervention, infection, cancer, or congenital factors. This condition is characterised by the formation of an abnormal passage between any two locations within the genitourinary tract.

Any other condition characterised by the presence of extensive amounts of fibrous tissue (fibrosis) that have replaced normal tissue associated with any other abnormal connection or passageway between any two locations within the urinary tract which do not normally connect.