ICD-10-CM › K00-K95 › K55-K64 › K60.52 Anorectal fistula, complex › K60.521
K60.521
Anorectal fistula, complex, initial
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2025 to now.
- FY2025 Added to the code set Anorectal fistula, complex, initial
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from K60 Fissure and fistula of anal and rectal regions
Excludes2 - not included here
- abscess or cellulitis of anal and rectal regions (K61.-)
- anal sphincter tear (healed) (nontraumatic) (old) (K62.81)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Fistula > anorectal > complex > new
- Fistula > anorectal > complex > initial
Codes in the same group
| Code | Description | Status |
|---|---|---|
| K60.522 | Anorectal fistula, complex, persistent | Valid |
| K60.523 | Anorectal fistula, complex, recurrent | Valid |
| K60.529 | Anorectal fistula, complex, unspecified | Valid |