ICD-10-CM Diagnosis Code N63
Diagnosis Code: N63 (Raw: N63)
Description: Unspecified lump in breast
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code N63 is designated for Unspecified lump in breast. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.