566 ANAL & RECTAL ABSCESS


Code Information

Diagnosis Code: 566

Short Description: Anal & rectal abscess

Long Description: Abscess of anal and rectal regions

Code Classification:

  • Diseases of the digestive system (520–579)
    • Other diseases of intestines and peritoneum (560-569)
      • 566 Abscess of anal and rectal regions
        • 566 Anal & rectal abscess

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 566 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • anorectal 566
    • anus 566
    • intersphincteric (anus) 566
    • intestine, intestinal 569.5
      • rectal 566
    • ischiorectal 566
    • marginal (anus) 566
    • pararectal 566
    • perianal 566
    • periproctic 566
    • perirectal (staphylococcal) 566
    • postanal 566
    • rectum 566
    • retrorectal 566
  • Cellulitis (diffuse) (with lymphangitis) (see also Abscess) 682.9
    • anus 566
    • perirectal 566
    • rectum 566
  • Fistula (sinus) 686.9
    • ischiorectal (fossa) 566

Crosswalk Information

The code 566 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
566 Right Arrow K61.0 Anal abscess
K61.1 Rectal abscess
K61.3 Ischiorectal abscess
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description


This page was last updated on: 10/1/2014