ICD-10-CM N63: Unspecified lump in breast

ICD-10-CM Diagnosis Code (2025)

Official Description for N63

Unspecified lump in breast

Coding Notes & Guidelines for N63

Inclusion Terms

Nodule(s) NOS in breast

Child Codes (More Specific Codes for N63):

N63.0 - Unspecified lump in unspecified breast N63.1 - Unspecified lump in the right breast N63.10 - Unspecified lump in the right breast, unspecified quadrant N63.11 - Unspecified lump in the right breast, upper outer quadrant N63.12 - Unspecified lump in the right breast, upper inner quadrant N63.13 - Unspecified lump in the right breast, lower outer quadrant N63.14 - Unspecified lump in the right breast, lower inner quadrant N63.15 - Unspecified lump in the right breast, overlapping quadrants N63.2 - Unspecified lump in the left breast N63.20 - Unspecified lump in the left breast, unspecified quadrant N63.21 - Unspecified lump in the left breast, upper outer quadrant N63.22 - Unspecified lump in the left breast, upper inner quadrant N63.23 - Unspecified lump in the left breast, lower outer quadrant N63.24 - Unspecified lump in the left breast, lower inner quadrant N63.25 - Unspecified lump in the left breast, overlapping quadrants N63.3 - Unspecified lump in axillary tail N63.31 - Unspecified lump in axillary tail of the right breast N63.32 - Unspecified lump in axillary tail of the left breast N63.4 - Unspecified lump in breast, subareolar N63.41 - Unspecified lump in right breast, subareolar N63.42 - Unspecified lump in left breast, subareolar

About ICD-10-CM Code N63 (Unspecified lump in breast)

ICD-10-CM code N63 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM N63 became effective on October 1, 2024.

This page provides detailed information about N63 - Unspecified lump in breast. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Unspecified lump in breast.