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N83.521

N83.521: Torsion of right fallopian tube

Billable / specific codeICD-10-CMright

N83.521 is a billable, specific ICD-10-CM code for torsion of right fallopian tube. It is valid for submission on a claim.

Check N83.521 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above N83.521

Not part of this code, but both may be coded when both are present.

Written on N83: Noninflammatory disorders of ovary, fallopian tube and broad ligament

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N83.521 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56758Billing and Coding: Non-Invasive Vascular Studies
  • A57591Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N83.52

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.