ICD Code K51.20

ICD code K51.20 is ulcerative (chronic) proctitis without complications.

1. Presence of chronic inflammation localized to the rectum, confirmed by endoscopic and histopathological evaluation

2. Clinical symptoms such as rectal bleeding, urgency, tenesmus, and increased stool frequency

3. Absence of complications such as abscess, perforation, fistula, or toxic megacolon

4. No evidence of disease extension beyond the rectum

5. Exclusion of infectious, ischemic, or other non-inflammatory causes of proctitis

Relevant CPT codes that may be used to treat ICD code K51.20 include:

- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

- 45380: Colonoscopy, flexible; with biopsy, single or multiple

- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

- 45390: Colonoscopy, flexible; with endoscopic mucosal resection

- 96372: Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); subcutaneous or intramuscular

- 96401: Chemotherapy administration, subcutaneous or intramuscular; non-hormonal anti-neoplastic

These CPT codes are commonly associated with the management and treatment of K51.20.

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