AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2025 Issue 3; Ask the Editor

Reduction of Breast for Asymmetry

A 76-year-old patient diagnosed with clinical stage I right breast cancer presented for right breast oncoplastic lumpectomy with reconstruction. Following the right lumpectomy with reconstruction, the breasts were asymmetrical; therefore, the left breast was reduced for symmetry. What diagnosis code is used to show that the left breast was asymmetrical? Code N65.1, Disproportion of reconstructed breast, does not seem appropriate since the left breast was not reconstructed. ...

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