ICD-10-CM > N00-N99 > N30-N39 > N36 > N36.0 N36.0 Urethral fistula Billable/Specific Copy Code Copy Description Applicable To Urethroperineal fistulaUrethrorectal fistulaUrinary fistula NOS Type 1 Excludes urethroscrotal fistula (N50.89)urethrovaginal fistula (N82.1)urethrovesicovaginal fistula (N82.1)