N63.4
N63.4: Unspecified lump in breast, subareolar
Non-billable headerICD-10-CMunspecified
N63.4 is a non-billable header ICD-10-CM code for unspecified lump in breast, subareolar. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead N63.4
2 child codes. Green means billable.