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