N63.24
✓ Billable
Unspecified lump in the left breast, lower inner quadrant
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N63.24
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Genitourinary System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code N63.24?
ICD-10-CM code N63.24 represents Unspecified lump in the left breast, lower inner quadrant. It is a billable diagnosis code in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.
Is N63.24 billable?
Yes. N63.24 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is N63.24 in?
N63.24 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N63 category
N63
Unspecified lump in breast
Non-billable
N63.0
Unspecified lump in unspecified breast
Billable
N63.1
Unspecified lump in the right breast
Non-billable
N63.2
Unspecified lump in the left breast
Non-billable
N63.3
Unspecified lump in axillary tail
Non-billable
N63.4
Unspecified lump in breast, subareolar
Non-billable
N63.10
Unspecified lump in the right breast, unspecified quadrant
Billable
N63.11
Unspecified lump in the right breast, upper outer quadrant
Billable
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