K60.51 Anorectal fistula, simpleNon-billable header with 4 child codes.
K60.511 Anorectal fistula, simple, initialK60.512 Anorectal fistula, simple, persistentK60.513 Anorectal fistula, simple, recurrentK60.519 Anorectal fistula, simple, unspecifiedK50 Crohn's disease [regional enteritis] ("anorectal fistula (K60.5-)")K51 Ulcerative colitis ("anorectal fistula (K60.5-)")T81.83 Persistent postprocedural fistula ("anorectal fistula (K60.5-)")K62.6 Ulcer of anus and rectum ("fissure and fistula of anus and rectum (K60.-)")K62.81 Anal sphincter tear (healed) (nontraumatic) (old) ("anal fissure (K60.-)")K63.2 Fistula of intestine ("fistula of anal and rectal regions (K60.-)")K60.422 Rectal fistula, complex, persistentK60.423 Rectal fistula, complex, recurrentK60.429 Rectal fistula, complex, unspecifiedK60.5 Anorectal fistulaK60.50 Anorectal fistula, unspecifiedK60.51 Anorectal fistula, simple (this code)K60.511 Anorectal fistula, simple, initialK60.512 Anorectal fistula, simple, persistentK60.513 Anorectal fistula, simple, recurrentK60.519 Anorectal fistula, simple, unspecifiedK60.52 Anorectal fistula, complex