N99.861 — Intraoperative and postprocedural nipple necrosis
Is N99.861 billable?
Yes — N99.861 is billable for FY2027. N99.861 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. N99.861 may be submitted for encounters from October 1, 2026 through September 30, 2027. N99.861 is new in FY2027.
N99.861 at a glance
| Code | N99.861 |
|---|---|
| Description | Intraoperative and postprocedural nipple necrosis |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| FY2027 change | New in FY2027 |
Which MS-DRGs does N99.861 group to?
N99.861 sits in MDC 09 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.
- 600Non-Malignant Breast Disorders with CC/MCCmedical
- 601Non-Malignant Breast Disorders without CC/MCCmedical
How is N99.861 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to N99.861. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Necrosis, necrotic › nipple, intraoperative and postprocedural (ischemic)
Excludes2 — not included here — inherited from Chapter 14
The conditions below are not part of N99.861, but a patient may have both at the same time. When documentation supports it, N99.861 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)
Excludes2 — not included here — inherited from N99
The conditions below are not part of N99.861, but a patient may have both at the same time. When documentation supports it, N99.861 and the excluded code may both be reported.