K61 - Abscess of anal and rectal regions
Includes:
-abscess of anal and rectal regions
-cellulitis of anal and rectal regions
K61.0 - Anal abscess
K61.1 - Rectal abscess
K61.2 - Anorectal abscess
K61.3 - Ischiorectal abscess
K61.4 - Intrasphincteric abscess