Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes N00-N99 – Diseases of the genitourinary system (N00-N99) > 2024 ICD-10-CM Codes N60-N65 – Disorders of breast (N60-N65) > 2024 ICD-10-CM Codes N63 – Unspecified lump in breast (N63) > 2024 ICD-10-CM Codes N63.3 – Unspecified lump in axillary tail (N63.3)