N80.1 — Endometriosis of ovary

Not billable

Is N80.1 billable?

No — N80.1 is a non-billable header code. N80.1 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 12 billable codes beneath N80.1.

Billable codes under this header

N80.1 at a glance

Code	N80.1
Description	Endometriosis of ovary
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes2 — not included here — inherited from Chapter 14

The conditions below are not part of N80.1, but a patient may have both at the same time. When documentation supports it, N80.1 and the excluded code may both be reported.

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

What codes fall under N80.1? (3)

How long has N80.1 existed?

N80.1 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

FY2023: N80.1 stopped being billable

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.