N80.129 Deep endometriosis of ovary, unspecified ovary

Billable ICD-10-CM code, FY2026.

Applies from N80.12 Deep endometriosis of ovary

Applicable to

• Deep ovarian endometriosis
• Endometrioma

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Code annotations containing back-references to N80.129

Back-references to N80.1

• Type 2 Excludes: D27 Benign neoplasm of ovary ("endometrial cyst (N80.1-)")

Back-references to N80

• Type 1 Excludes: N85 Other noninflammatory disorders of uterus, except cervix ("endometriosis (N80.-)")

Nearby codes

• N80.119 Superficial endometriosis of ovary, unspecified ovary
• N80.12 Deep endometriosis of ovary
• N80.121 Deep endometriosis of right ovary
• N80.122 Deep endometriosis of left ovary
• N80.123 Deep endometriosis of bilateral ovaries
• N80.129 Deep endometriosis of ovary, unspecified ovary (this code)
• N80.2 Endometriosis of fallopian tube
• N80.20 Endometriosis of fallopian tube, unspecified depth
• N80.201 Endometriosis of right fallopian tube, unspecified depth
• N80.202 Endometriosis of left fallopian tube, unspecified depth
• N80.203 Endometriosis of bilateral fallopian tubes, unspecified depth