N61
⚠ Non-billable
Inflammatory disorders of breast
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N61
System
ICD-10-CM
Billable
No — use specific code
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 N61?
ICD-10-CM code N61 represents Inflammatory disorders of breast. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.
Is N61 billable?
No. N61 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is N61 in?
N61 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N61 category
N61.0
Mastitis without abscess
Billable
N61.1
Abscess of the breast and nipple
Billable
N61.2
Granulomatous mastitis
Non-billable
N61.20
Granulomatous mastitis, unspecified breast
Billable
N61.21
Granulomatous mastitis, right breast
Billable
N61.22
Granulomatous mastitis, left breast
Billable
N61.23
Granulomatous mastitis, bilateral breast
Billable
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