N80.319 — Endometriosis of the anterior cul-de-sac, unspecified depth
Is N80.319 billable?
Yes, but N80.319 is an unspecified code. N80.319 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, N80.319 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting N80.319 — the more specific alternatives are listed below.
N80.319 at a glance
| Code | N80.319 |
|---|---|
| Description | Endometriosis of the anterior cul-de-sac, unspecified depth |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does N80.319 group to?
N80.319 sits in MDC 13 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 742Uterine and Adnexa Procedures for Non-Malignancy with CC/MCCsurgical
- 743Uterine and Adnexa Procedures for Non-Malignancy without CC/MCCsurgical
How is N80.319 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to N80.319. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Endometriosis › cul-de-sac › anterior
Inclusion terms
Alternative wording in documentation that is classified to N80.319.
- Endometriosis of the anterior cul-de-sac NOS
Excludes2 — not included here — inherited from Chapter 14
The conditions below are not part of N80.319, but a patient may have both at the same time. When documentation supports it, N80.319 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)
How long has N80.319 existed?
N80.319 first appears in FY2023.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.