N65.0 Deformity of reconstructed breast

Billable ICD-10-CM code, FY2026.

Applicable to

• Contour irregularity in reconstructed breast
• Excess tissue in reconstructed breast
• Misshapen reconstructed breast

MS-DRG index

Defines the logic of DRG(s) 600-601 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 612.0 Deformity of reconstructed breast

Medicare Code Edits (MCE v43.1 (April 2026))

• Adult diagnoses (age 15 through 124): Age conflict edit. These diagnoses are clinically expected only in patients age 15 through 124.

Diagnosis Index entries for N65.0

• Complication (s) (from) (of) › reconstructed breast › deformity
• Complication (s) (from) (of) › reconstructed breast › excess tissue
• Complication (s) (from) (of) › reconstructed breast › misshappen
• Deformity › breast (acquired) › reconstructed
• Irregular, irregularity › contour, reconstructed breast
• Irregular, irregularity › reconstructed breast

Nearby codes

• N65 Deformity and disproportion of reconstructed breast
• N65.0 Deformity of reconstructed breast (this code)
• N65.1 Disproportion of reconstructed breast