ICD-10-CM Diagnosis Code (2025)
Official Description for N80
Endometriosis
Coding Notes & Guidelines for N80
stromal endometriosis (D39.0)
Endometriosis of the cervix
Deep retrocervical endometriosis
Adenomyosis NOS
Endometriosis of ovary NOS
- Deep ovarian endometriosis
- Endometrioma
Endometriosis fallopian tube NOS
Deep endometriosis involving muscular wall of fallopian tube
Endometriosis of the retroperitoneum NOS
Endometriosis of the anterior cul-de-sac NOS
Endometriosis of the posterior cul-de-sac NOS
Endometriosis of the pelvic sidewall NOS
Endometriosis of the pelvic brim NOS
Endometriosis of the uterosacral ligament(s) NOS
Endometriosis of the rectovaginal septum, NOS
Deep endometriosis of the rectum, multifocal
Endometriosis of the rectum NOS
Endometriosis of the sigmoid colon NOS
Endometriosis of the cecum NOS
Endometriosis of the appendix NOS
- Endometriosis of descending colon
- Endometriosis of transverse colon
Endometriosis of colon NOS
Deep endometriosis of the small intestine, multifocal
Endometriosis of the small intestine NOS
Endometriosis of bladder NOS
Extrinsic endometriosis of ureter
Intrinsic endometriosis of ureter
Endometriosis of thorax
Endometriosis of the diaphragm NOS
Endometriosis of the abdomen NOS
Endometriosis of the anterior abdominal wall NOS
Endometriosis of the nerves of the retroperitoneum
Endometriosis of nerve of the retroperitoneum, NOS
Endometriosis of the pelvic splanchnic nerves
Endometriosis of the other nerves of the retroperitoneum
Endometriosis of other site
, if applicable, obstructive and reflux uropathy (N13.-)
, if applicable, obstructive and reflux uropathy (N13.-)
, if applicable, obstructive and reflux uropathy (N13.-)
- , if applicable:
- catamenial hemothorax (J94.2)
- catamenial pneumothorax (J93.12)
Child Codes (More Specific Codes for N80):
About ICD-10-CM Code N80 (Endometriosis)
ICD-10-CM code N80 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM N80 became effective on October 1, 2024.
This page provides detailed information about N80 - Endometriosis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Endometriosis.