N80.511 Superficial endometriosis of the rectum

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Code annotations containing back-references to N80.511

Back-references to N80

• Type 1 Excludes: N85 Other noninflammatory disorders of uterus, except cervix ("endometriosis (N80.-)")

Diagnosis Index entries for N80.511

• Endometriosis › rectum › superficial

Nearby codes

• N80.41 Endometriosis of rectovaginal septum without involvement of vagina
• N80.42 Endometriosis of rectovaginal septum with involvement of vagina
• N80.5 Endometriosis of intestine
• N80.50 Endometriosis of intestine, unspecified
• N80.51 Endometriosis of the rectum
• N80.511 Superficial endometriosis of the rectum (this code)
• N80.512 Deep endometriosis of the rectum
• N80.519 Endometriosis of the rectum, unspecified depth
• N80.52 Endometriosis of the sigmoid colon
• N80.521 Superficial endometriosis of the sigmoid colon
• N80.522 Deep endometriosis of the sigmoid colon