N80Header code — not billable
Endometriosis
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N80
- Effective date
- October 1, 2026
Related codes in category N80
N80.0Endometriosis of uterusN80.00Endometriosis of the uterus, unspecifiedYesN80.01Superficial endometriosis of the uterusYesN80.02Deep endometriosis of the uterusYesN80.03Adenomyosis of the uterusYesN80.1Endometriosis of ovaryN80.10Endometriosis of ovary, unspecified depthN80.101Endometriosis of right ovary, unspecified depthYesN80.102Endometriosis of left ovary, unspecified depthYesN80.103Endometriosis of bilateral ovaries, unspecified depthYesN80.109Endometriosis of ovary, unspecified side, unspecified depthYesN80.11Superficial endometriosis of the ovary
Frequently asked questions
What is ICD-10 code N80?
N80 is an ICD-10-CM diagnosis code for Endometriosis.
Is N80 a billable code?
No. N80 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is N80 in?
N80 falls under Chapter 14: Diseases of the genitourinary system.
When did N80 become effective?
N80 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N80?
N80 belongs to category N80, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.