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ICD-10-CM 2027

ICD-10 code for broad ligament endometriosis

N80.3C

Endometriosis of the uterosacral ligament(s), unspecified depth

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Endometriosis › broad ligament”. Page updated September 29, 2026.

About coding broad ligament endometriosis

The ICD-10-CM code for broad ligament endometriosis is N80.3C (Endometriosis of the uterosacral ligament(s), unspecified depth).

Within N80.3, choose N80.3C (Endometriosis of the uterosacral ligament(s), unspecified depth) only when documentation doesn't support a more specific option: unspecified (N80.30), endometriosis of the anterior cul-de-sac (N80.31), endometriosis of the posterior cul-de-sac (N80.32), superficial endometriosis of the pelvic sidewall (N80.33), deep endometriosis of the pelvic sidewall (N80.34), endometriosis of the pelvic sidewall, unspecified depth (N80.35), superficial endometriosis of the pelvic brim (N80.36), deep endometriosis of the pelvic brim (N80.37) and 4 more.

To report this condition, pick the subcode that matches the documentation: N80.3C1 (depth), N80.3C2 (depth), N80.3C3 (depth) and N80.3C9 (depth).

It was added in FY2023, effective October 1, 2022.

Common questions about broad ligament endometriosis ICD-10 codes

What is the ICD-10 code for broad ligament endometriosis?

N80.3C — Endometriosis of the uterosacral ligament(s), unspecified depth (a header code; report a more specific subcode).

Is N80.3C billable?

No. N80.3C is a header code. Report one of its more specific subcodes instead.