Deformity and disproportion of reconstructed breast (N65) ICD-10-CM
The N65 code range covers deformity and disproportion of reconstructed breast with 3 ICD-10-CM diagnosis codes. 2 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the N65 Range 3 codes · 2 billable
About the N65 Code Range
The ICD-10 code section N65 covers conditions related to the deformity and disproportion of reconstructed breasts. These codes are used to document issues following breast reconstruction surgery, such as shape abnormalities or uneven size.
This section includes N65.0 for deformities like lower pole stretch or double convexity deformities commonly linked to complications after breast augmentation with implants. Medical coders will find this code valuable when recording post-surgical breast shape changes labeled as "deformity of reconstructed breast" or related implant surgery complications. Meanwhile, N65.1 addresses cases of asymmetric or uneven reconstructed breasts, known medically as "disproportion of reconstructed breast." It captures findings where breast symmetry is a concern after reconstruction. Using these specific codes ensures accurate documentation of nonmalignant breast conditions affecting the shape and balance of reconstructed breast tissue. When looking for the ICD-10 code for issues after breast reconstruction surgery, N65 series codes provide precise options to capture either deformity or disproportionality concerns clearly.
Questions About This Page
How many billable codes are in the N65 range?
Of the 3 codes in this range, 2 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the N65 range classify?
The range classifies deformity and disproportion of reconstructed breast. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
