ICDcodes.org
FY2027

C50.219Malignant neoplasm of upper-inner quadrant of unspecified female breast

BillableUnspecified

Is C50.219 billable?

Yes, but C50.219 is an unspecified code. C50.219 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, C50.219 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 C50.219 — the more specific alternatives are listed below.

C50.219 at a glance

CodeC50.219
DescriptionMalignant neoplasm of upper-inner quadrant of unspecified female breast
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does C50.219 group to?

C50.219 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

Excludes1 — never code together — inherited from C50

The conditions below can never be reported together with C50.219 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 C50.219 to fully describe the condition. C50.219 is sequenced first.

  • code to identify estrogen, and other hormones and factors receptor status (Z17.-)

How long has C50.219 existed?

C50.219 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.

What other codes are in the C50.21 family? (2)