N44 - Noninflammatory disorders of testis
N44.0 - Torsion of testis
N44.00 - Torsion of testis, unspecified
N44.01 - Extravaginal torsion of spermatic cord
N44.02 - Intravaginal torsion of spermatic cord
N44.03 - Torsion of appendix testis
N44.04 - Torsion of appendix epididymis