N65.1
Billable codeDisproportion of reconstructed breast
The ICD-10 code for disproportion of reconstructed breast is N65.1.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Breast asymmetry between native breast and reconstructed breast
- Disproportion between native breast and reconstructed breast
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
- N65.0Deformity of reconstructed breast
- N65.1Disproportion of reconstructed breast
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 6121
Associated MS-DRGs
N65.1 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