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K60.423

K60.423: Rectal fistula, complex, recurrent

Billable / specific codeICD-10-CM

K60.423 is a billable, specific ICD-10-CM code for rectal fistula, complex, recurrent. It is valid for submission on a claim.

Check K60.423 with the rest of the claim: free scrubber

Inclusion terms

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

  • Rectal fistula complex occurring following complete healing

Excludes1 inherited from the categories above K60.423

A category’s note binds every code beneath it.

Written on K60.4: Rectal fistula

  • congenital fistula (Q43.6)
  • rectovaginal fistula (N82.3)
  • vesicorectal fistual (N32.1)

Excludes2 inherited from the categories above K60.423

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

Written on K60: Fissure and fistula of anal and rectal regions

  • abscess or cellulitis of anal and rectal regions (K61.-)
  • anal sphincter tear (healed) (nontraumatic) (old) (K62.81)

Other codes that can never be billed with K60.423

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • K62.6Ulcer of anus and rectum

Risk adjustment

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

Medicare coverage

K60.423 is named in 9 Medicare coverage policies: 9 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A57185Billing and Coding: Botulinum Toxin Injections
  • A57186Billing and Coding: Botulinum Toxin Injections
  • A57427Billing and Coding: Transrectal Ultrasound

Alphabetic index entries that lead here

  • Fistula›rectal›complex›occurring following complete healing
  • Fistula›rectal›complex›recurrent

Code history

  • addedFY2024-FY2027

    Rectal fistula, complex, recurrent

Other codes under K60.42

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.