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K60.3

K60.3: Anal fistula

Non-billable headerICD-10-CM

K60.3 is a non-billable header ICD-10-CM code for anal fistula. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • congenital fistula (Q43.6)

Code first

The underlying condition must be sequenced before this code.

  • , if applicable:
  • Crohn's disease (K50.-)
  • ulcerative colitis (K51.-)

Excludes2 inherited from the categories above K60.3

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 K60.3

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

K60.3 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A59725Billing and Coding: Botulinum Toxins Injections
  • A59727Billing and Coding: Botulinum Toxin Injections
  • A59728Billing and Coding: Botulinum Toxin Injections
  • A59808Billing and Coding: Botulinum Toxin Injections

Code history

  • deletedFY2024-FY2027

    Anal fistula

Code to one of these instead K60.3

3 child codes. Green means billable.

Other codes under K60

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.