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K64.3

K64.3: Fourth degree hemorrhoids

Billable / specific codeICD-10-CM

K64.3 is a billable, specific ICD-10-CM code for fourth degree hemorrhoids. It is valid for submission on a claim.

Check K64.3 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Grade/stage IV hemorrhoids
  • Hemorrhoids (bleeding) with prolapsed tissue that cannot be manually replaced

Excludes1 inherited from the categories above K64.3

A category’s note binds every code beneath it.

Written on K64: Hemorrhoids and perianal venous thrombosis

  • hemorrhoids complicating childbirth and the puerperium (O87.2)
  • hemorrhoids complicating pregnancy (O22.4)

Risk adjustment

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

Medicare coverage

K64.3 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A57342Billing and Coding: Diagnostic and Therapeutic Colonoscopy

Alphabetic index entries that lead here

  • Hemorrhoids›4th degree(grade/stage IV) (with prolapsed tissue that cannot be manually replaced)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under K64

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.