N63.25
Billable codeUnspecified lump in the left breast, overlapping quadrants
The ICD-10 code for unspecified lump in the left breast, overlapping quadrants is N63.25.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- N63.20Unspecified lump in the left breast, unspecified quadrant
- N63.21Unspecified lump in the left breast, upper outer quadrant
- N63.22Unspecified lump in the left breast, upper inner quadrant
- N63.23Unspecified lump in the left breast, lower outer quadrant
- N63.24Unspecified lump in the left breast, lower inner quadrant
- N63.25Unspecified lump in the left breast, overlapping quadrants
Associated MS-DRGs
N63.25 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
- DRG 565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
- DRG 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
- DRG 600Non-Malignant Breast Disorders with CC/MCC
- DRG 601Non-Malignant Breast Disorders without CC/MCC