K63.8211 Small intestinal bacterial overgrowth, hydrogen-subtype

Billable ICD-10-CM code, FY2026.

MS-DRG index

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

Diagnosis Index entries for K63.8211

• Overgrowth › bacterial › small intestinal › hydrogen-subtype

Nearby codes

• K63.5 Polyp of colon
• K63.8 Other specified diseases of intestine
• K63.81 Dieulafoy lesion of intestine
• K63.82 Intestinal microbial overgrowth
• K63.821 Small intestinal bacterial overgrowth
• K63.8211 Small intestinal bacterial overgrowth, hydrogen-subtype (this code)
• 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