ICD-10-CM > N00-N99 > N80-N98 > N83 > N83.5 > N83.52 N83.52 Torsion of fallopian tube Non-Billable/Non-Specific Applicable To Torsion of hydatid of Morgagni Codes N83.521Torsion of right fallopian tubeN83.522Torsion of left fallopian tubeN83.529Torsion of fallopian tube, unspecified side