N80.A42 — Superficial endometriosis of left ureter
Is N80.A42 billable?
Yes — N80.A42 is billable for FY2027. N80.A42 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. N80.A42 may be submitted for encounters from October 1, 2026 through September 30, 2027.
N80.A42 at a glance
| Code | N80.A42 |
|---|---|
| Description | Superficial endometriosis of left ureter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does N80.A42 group to?
N80.A42 sits in MDC 11 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 698Other Kidney and Urinary Tract Diagnoses with MCCmedical
- 699Other Kidney and Urinary Tract Diagnoses with CCmedical
- 700Other Kidney and Urinary Tract Diagnoses without CC/MCCmedical
How is N80.A42 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under N80.A4, the nearest indexed parent of N80.A42. Use them to find the family, then select the specific code.
- Endometriosis › ureter › extrinsic
- Endometriosis › ureter › superficial
Excludes2 — not included here — inherited from Chapter 14
The conditions below are not part of N80.A42, but a patient may have both at the same time. When documentation supports it, N80.A42 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)
Code also — inherited from N80.A4
Two codes may be needed to describe the condition fully. Whether N80.A42 is sequenced first depends on the reason for the encounter.
- , if applicable, obstructive and reflux uropathy (N13.-)
How long has N80.A42 existed?
N80.A42 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.