MCMedicalCodingSoftware
N63.0

N63.0: Unspecified lump in unspecified breast

Billable / specific codeICD-10-CMunspecified

N63.0 is a billable, specific ICD-10-CM code for unspecified lump in unspecified breast. It is valid for submission on a claim.

Check N63.0 with the rest of the claim: free scrubber

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Breast›nodule
  • Lump›breast
  • Mass›breast
  • Nodule, nodular›breast NEC
  • Swelling›breast

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N63

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.