N63.0 – Unspecified lump in unspecified breast
ICD-10-CM 2027 diagnosis code · Disorders of breast
ICD-10-CM code
N63.0
- Code
N63.0(claims format:N630)- Description
- Unspecified lump in unspecified breast
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 14. Diseases of the genitourinary system (N00-N99)
- Block
- N60-N65 Disorders of breast
- Parent codes
- N63
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
N63 – Unspecified lump in breast
Applicable to:
- Nodule(s) NOS in breast
Block N60-N65
Index terms for N63.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in N63
Frequently asked questions
What is ICD-10 code N63.0?
N63.0 is the ICD-10-CM code for unspecified lump in unspecified breast, in the block N60-N65 (Disorders of breast).
Is N63.0 a billable code?
Yes. N63.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does N63.0 belong to?
It belongs to category N63 – Unspecified lump in breast.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.