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K60.1

K60.1Chronic anal fissure

Billable / specific codeICD-10-CM

K60.1 is a billable, specific ICD-10-CM code for chronic anal fissure. It is valid for submission on a claim.

Excludes2 inherited from the categories above K60.1

Also inherited, and the opposite of Excludes1: these conditions are not part of K60.1, but a patient can have both, so you may code both.

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 K60.1

These codes carry an Excludes1 note pointing at K60.1. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K60.1 alone.

  • K62.6Ulcer of anus and rectum

Risk adjustment

K60.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

K60.1 is named in 16 Medicare coverage policies 16 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A54095Billing and Coding: Nerve Conduction Studies and Electromyography
  • A57123Billing and Coding: Nerve Conduction Studies and Electromyography
  • A57185Billing and Coding: Botulinum Toxin Injections
  • A57186Billing and Coding: Botulinum Toxin Injections

How K60.1 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K60.1.

  • Fissure, fissuredanus, analchronic

Code history

K60.1 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share K60. If K60.1 is not quite right, the correct code is usually one of these.

Questions about K60.1

Is K60.1 a billable ICD-10-CM code?
Yes. K60.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K60.1 sit in the tabular list?
Diseases of the digestive system (K00-K95), in the block Other diseases of intestines (K55-K64).
ICD-10-CMFY2026-Apr· effective April 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.