| ICD-10 Code | Description |
| K60.0 | Acute anal fissure |
| K60.1 | Chronic anal fissure |
| K60.2 | Anal fissure, unspecified |
| K60.30 | Anal fistula, unspecified |
| K60.311 | Anal fistula, simple, initial |
| K60.312 | Anal fistula, simple, persistent |
| K60.313 | Anal fistula, simple, recurrent |
| K60.319 | Anal fistula, simple, unspecified |
| K60.321 | Anal fistula, complex, initial |
| K60.322 | Anal fistula, complex, persistent |
| K60.323 | Anal fistula, complex, recurrent |
| K60.329 | Anal fistula, complex, unspecified |
| K60.40 | Rectal fistula, unspecified |
| K60.411 | Rectal fistula, simple, initial |
| K60.412 | Rectal fistula, simple, persistent |
| K60.413 | Rectal fistula, simple, recurrent |
| K60.419 | Rectal fistula, simple, unspecified |
| K60.421 | Rectal fistula, complex, initial |
| K60.422 | Rectal fistula, complex, persistent |
| K60.423 | Rectal fistula, complex, recurrent |
| K60.429 | Rectal fistula, complex, unspecified |
| K60.50 | Anorectal fistula, unspecified |
| K60.511 | Anorectal fistula, simple, initial |
| K60.512 | Anorectal fistula, simple, persistent |
| K60.513 | Anorectal fistula, simple, recurrent |
| K60.519 | Anorectal fistula, simple, unspecified |
| K60.521 | Anorectal fistula, complex, initial |
| K60.522 | Anorectal fistula, complex, persistent |
| K60.523 | Anorectal fistula, complex, recurrent |
| K60.529 | Anorectal fistula, complex, unspecified |
