ICD Code K61.1

ICD code K61.1 is a diagnosis code used to indicate a rectal abscess, which is a localized collection of pus in the tissue surrounding the rectum.

1. Presence of localized pain in the rectal or perianal area

2. Swelling or palpable mass near the rectum

3. Erythema and tenderness around the rectal region

4. Fluctuance or drainage of pus from the perianal or rectal area

5. Fever or systemic signs of infection

6. Evidence of abscess on physical examination or imaging

7. Exclusion of other causes of rectal pain or swelling (e.g., hemorrhoids, fissures)

Relevant CPT codes that may be used to treat ICD code K61.1 include:

- 46040 (Incision and drainage of ischiorectal and/or perirectal abscess)

- 46050 (Incision and drainage of submucous abscess, rectum)

- 46045 (Incision and drainage of intramural, intramuscular, or submucosal abscess, rectum)

- 46250 (Hemorrhoidectomy, external, for thrombosed hemorrhoid, including incision and drainage, when performed)

- 49060 (Drainage of retroperitoneal abscess, open; extra-peritoneal)

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