K62.6 Ulcer of anus and rectum

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

Applicable to

• Solitary ulcer of anus and rectum
• Stercoral ulcer of anus and rectum

Excludes1 (never code together)

• fissure and fistula of anus and rectum (K60.-)
• ulcerative colitis (K51.-)

Applies from K62 Other diseases of anus and rectum

Includes

• anal canal

Excludes2 (not included here)

• colostomy and enterostomy malfunction (K94.0-, K94.1-)
• fecal incontinence (R15.-)
• hemorrhoids (K64.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 569.41 Ulcer of anus and rectum

Code annotations containing back-references to K62.6

Back-references to K62.6

• Type 1 Excludes: K63.3 Ulcer of intestine ("ulcer of anus or rectum (K62.6)")

Diagnosis Index entries for K62.6

• Stercoraceous, stercoral ulcer › anus or rectum
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › anorectal
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › anus (sphincter) (solitary)
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › intestine, intestinal › rectum
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › rectum (sphincter) (solitary)
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › rectum (sphincter) (solitary) › stercoraceous, stercoral
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › solitary, anus or rectum (sphincter)
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › stercoraceous, stercoral › anus or rectum

Nearby codes

• K62.1 Rectal polyp
• K62.2 Anal prolapse
• K62.3 Rectal prolapse
• K62.4 Stenosis of anus and rectum
• K62.5 Hemorrhage of anus and rectum
• K62.6 Ulcer of anus and rectum (this code)
• K62.7 Radiation proctitis
• K62.8 Other specified diseases of anus and rectum
• K62.81 Anal sphincter tear (healed) (nontraumatic) (old)
• K62.82 Dysplasia of anus
• K62.89 Other specified diseases of anus and rectum