ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 11  /  K55-K64  /  K61
K61 Abscess of anal and rectal regions
Includes abscess of anal and rectal regions
cellulitis of anal and rectal regions
K61.0 Anal abscess
Perianal abscess
Excludes2 intrasphincteric abscess (K61.4)
K61.1 Rectal abscess
Perirectal abscess
Excludes1 ischiorectal abscess (K61.39)
K61.2 Anorectal abscess
K61.3 Ischiorectal abscess
K61.31 Horseshoe abscess
K61.39 Other ischiorectal abscess
Abscess of ischiorectal fossa
Ischiorectal abscess, NOS
K61.4 Intrasphincteric abscess
Intersphincteric abscess
K61.5 Supralevator abscess