N83.529 Torsion of fallopian tube, unspecified side

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Torsion of fallopian tube, NOS

Applies from N83 Noninflammatory disorders of ovary, fallopian tube and broad ligament

Excludes2 (not included here)

• hydrosalpinx (N70.1-)

Applies from N83.5 Torsion of ovary, ovarian pedicle and fallopian tube

Applicable to

• Torsion of accessory tube

Applies from N83.52 Torsion of fallopian tube

Applicable to

• Torsion of hydatid of Morgagni

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Approximate ICD-9-CM (GEMs)

• 620.5 Torsion of ovary, ovarian pedicle, or fallopian tube (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Nearby codes

• N83.512 Torsion of left ovary and ovarian pedicle
• N83.519 Torsion of ovary and ovarian pedicle, unspecified side
• N83.52 Torsion of fallopian tube
• N83.521 Torsion of right fallopian tube
• N83.522 Torsion of left fallopian tube
• N83.529 Torsion of fallopian tube, unspecified side (this code)
• N83.53 Torsion of ovary, ovarian pedicle and fallopian tube
• N83.6 Hematosalpinx
• N83.7 Hematoma of broad ligament
• N83.8 Other noninflammatory disorders of ovary, fallopian tube and broad ligament
• N83.9 Noninflammatory disorder of ovary, fallopian tube and broad ligament, unspecified