N60.99
Billable codeUnspecified benign mammary dysplasia of unspecified breast
The ICD-10 code for unspecified benign mammary dysplasia of unspecified breast is N60.99.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- N60.91Unspecified benign mammary dysplasia of right breast
- N60.92Unspecified benign mammary dysplasia of left breast
- N60.99Unspecified benign mammary dysplasia of unspecified breast
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 6109Approximate match
Associated MS-DRGs
N60.99 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