N80.321Billable
Superficial endometriosis of the posterior cul-de-sac
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N80
- Effective date
- October 1, 2026
Related codes in category N80
N80EndometriosisN80.0Endometriosis 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 depthYes
Frequently asked questions
What is ICD-10 code N80.321?
N80.321 is an ICD-10-CM diagnosis code for Superficial endometriosis of the posterior cul-de-sac.
Is N80.321 a billable code?
Yes. N80.321 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is N80.321 in?
N80.321 falls under Chapter 14: Diseases of the genitourinary system.
When did N80.321 become effective?
N80.321 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N80.321?
N80.321 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.