C50.012 — Malignant neoplasm of nipple and areola, left female breast
Is C50.012 billable?
Yes — C50.012 is billable for FY2027. C50.012 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. C50.012 may be submitted for encounters from October 1, 2026 through September 30, 2027.
C50.012 at a glance
| Code | C50.012 |
|---|---|
| Description | Malignant neoplasm of nipple and areola, left female breast |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does C50.012 group to?
C50.012 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.
- 582Mastectomy for Malignancy with CC/MCCsurgical
- 583Mastectomy for Malignancy without CC/MCCsurgical
How is C50.012 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under C50.01, the nearest indexed parent of C50.012. Use them to find the family, then select the specific code.
- Paget's disease › breast
- Disease, diseased › nipple › Paget's
- Paget's disease › malignant › breast
- Paget's disease › malignant › unspecified site
- Disease, diseased › nipple › Paget's › female
Excludes1 — never code together — inherited from C50
The conditions below can never be reported together with C50.012 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from C50
Report an additional code alongside C50.012 to fully describe the condition. C50.012 is sequenced first.
- code to identify estrogen, and other hormones and factors receptor status (Z17.-)
How long has C50.012 existed?
C50.012 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.