K63.0 Abscess of intestine

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes1 (never code together)

• abscess of intestine with Crohn's disease (K50.014, K50.114, K50.814, K50.914,)
• abscess of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
• abscess of intestine with ulcerative colitis (K51.014, K51.214, K51.314, K51.414, K51.514, K51.814, K51.914)

Excludes2 (not included here)

• abscess of anal and rectal regions (K61.-)
• abscess of appendix (K35.3-)

MS-DRG index

Defines the logic of DRG(s) 371-373 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 569.5 Abscess of intestine (approximate)

Diagnosis Index entries for K63.0

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › bowel
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › colon (wall)
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › fecal
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › intestine, intestinal NEC
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › rectovaginal septum
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › sigmoid

Nearby codes

• K63 Other diseases of intestine
• K63.0 Abscess of intestine (this code)
• K63.1 Perforation of intestine (nontraumatic)
• K63.2 Fistula of intestine
• K63.3 Ulcer of intestine
• K63.4 Enteroptosis
• K63.5 Polyp of colon