K63.9 Disease of intestine, unspecified

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 569.9 Unspecified disorder of intestine (approximate)

Diagnosis Index entries for K63.9

• Disease, diseased › alimentary canal
• Disease, diseased › bowel
• Disease, diseased › cecum
• Disease, diseased › colon
• Disease, diseased › intestine
• Disease, diseased › intestine › organic
• Enteropathy
• Lesion (s) (nontraumatic) › cecum
• Lesion (s) (nontraumatic) › colon
• Lesion (s) (nontraumatic) › gastrointestinal
• Lesion (s) (nontraumatic) › ileocecal
• Lesion (s) (nontraumatic) › ileum
• Lesion (s) (nontraumatic) › intestine
• Lesion (s) (nontraumatic) › rectosigmoid
• Lesion (s) (nontraumatic) › sigmoid

Nearby codes

• K63.8212 Small intestinal bacterial overgrowth, hydrogen sulfide-subtype
• K63.8219 Small intestinal bacterial overgrowth, unspecified
• K63.822 Small intestinal fungal overgrowth
• K63.829 Intestinal methanogen overgrowth, unspecified
• K63.89 Other specified diseases of intestine
• K63.9 Disease of intestine, unspecified (this code)