| K60 | Fissure and fistula of anal and rectal regions | NON-BILLABLE CODE |
| K60.0 | Acute anal fissure | BILLABLE CODE |
| K60.2 | Anal fissure, unspecified | BILLABLE CODE |
| K60.3 | Anal fistula | NON-BILLABLE CODE |
| K60.30 | Anal fistula, unspecified | BILLABLE CODE |
| K60.31 | Anal fistula, simple | NON-BILLABLE CODE |
| K60.311 | Anal fistula, simple, initial | BILLABLE CODE |
| K60.312 | Anal fistula, simple, persistent | BILLABLE CODE |
| K60.313 | Anal fistula, simple, recurrent | BILLABLE CODE |
| K60.319 | Anal fistula, simple, unspecified | BILLABLE CODE |
| K60.32 | Anal fistula, complex | NON-BILLABLE CODE |
| K60.321 | Anal fistula, complex, initial | BILLABLE CODE |
| K60.322 | Anal fistula, complex, persistent | BILLABLE CODE |
| K60.323 | Anal fistula, complex, recurrent | BILLABLE CODE |
| K60.329 | Anal fistula, complex, unspecified | BILLABLE CODE |
| K60.4 | Rectal fistula | NON-BILLABLE CODE |
| K60.40 | Rectal fistula, unspecified | BILLABLE CODE |
| K60.41 | Rectal fistula, simple | NON-BILLABLE CODE |
| K60.411 | Rectal fistula, simple, initial | BILLABLE CODE |
| K60.412 | Rectal fistula, simple, persistent | BILLABLE CODE |
| K60.413 | Rectal fistula, simple, recurrent | BILLABLE CODE |
| K60.419 | Rectal fistula, simple, unspecified | BILLABLE CODE |
| K60.42 | Rectal fistula, complex | NON-BILLABLE CODE |
| K60.421 | Rectal fistula, complex, initial | BILLABLE CODE |
| K60.422 | Rectal fistula, complex, persistent | BILLABLE CODE |
| K60.423 | Rectal fistula, complex, recurrent | BILLABLE CODE |
| K60.429 | Rectal fistula, complex, unspecified | BILLABLE CODE |
| K60.5 | Anorectal fistula | NON-BILLABLE CODE |
| K60.50 | Anorectal fistula, unspecified | BILLABLE CODE |
| K60.51 | Anorectal fistula, simple | NON-BILLABLE CODE |
| K60.511 | Anorectal fistula, simple, initial | BILLABLE CODE |
| K60.512 | Anorectal fistula, simple, persistent | BILLABLE CODE |
| K60.513 | Anorectal fistula, simple, recurrent | BILLABLE CODE |
| K60.519 | Anorectal fistula, simple, unspecified | BILLABLE CODE |
| K60.52 | Anorectal fistula, complex | NON-BILLABLE CODE |
| K60.521 | Anorectal fistula, complex, initial | BILLABLE CODE |
| K60.522 | Anorectal fistula, complex, persistent | BILLABLE CODE |
| K60.523 | Anorectal fistula, complex, recurrent | BILLABLE CODE |
| K60.529 | Anorectal fistula, complex, unspecified | BILLABLE CODE |
