2026
ICD-10-CM
Diagnosis
Code

N63.4 Unspecified lump in breast, subareolar

  • Non-billable
  • 2018–2026

N63.4 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Unspecified lump in breast, subareolar.

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