N80 – Endometriosis
ICD-10-CM 2027 diagnosis code · Noninflammatory disorders of female genital tract
ICD-10-CM code
N80
- Code
N80(claims format:N80)- Description
- Endometriosis
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 14. Diseases of the genitourinary system (N00-N99)
- Block
- N80-N98 Noninflammatory disorders of female genital tract
Billable codes under N80
N80 is a header code and cannot be used on claims. Choose the most specific code:
- N80.0 – Endometriosis of uterusHeader (more codes below)
- N80.1 – Endometriosis of ovaryHeader (more codes below)
- N80.2 – Endometriosis of fallopian tubeHeader (more codes below)
- N80.3 – Endometriosis of pelvic peritoneumHeader (more codes below)
- N80.4 – Endometriosis of rectovaginal septum and vaginaHeader (more codes below)
- N80.5 – Endometriosis of intestineHeader (more codes below)
- N80.6 – Endometriosis in cutaneous scarBillable
- N80.A – Endometriosis of bladder and uretersHeader (more codes below)
- N80.B – Endometriosis of cardiothoracic spaceHeader (more codes below)
- N80.C – Endometriosis of the abdomenHeader (more codes below)
- N80.D – Endometriosis of the pelvic nervesHeader (more codes below)
- N80.8 – Other endometriosisBillable
- N80.9 – Endometriosis, unspecifiedBillable
Frequently asked questions
What is ICD-10 code N80?
N80 is the ICD-10-CM code for endometriosis, in the block N80-N98 (Noninflammatory disorders of female genital tract).
Is N80 a billable code?
No. N80 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.