N62 Hypertrophy of breast

Billable ICD-10-CM code, FY2026.

Applicable to

• Gynecomastia
• Hypertrophy of breast NOS
• Massive pubertal hypertrophy of breast

Excludes1 (never code together)

• breast engorgement of newborn (P83.4)
• disproportion of reconstructed breast (N65.1)

Applies from N62 Hypertrophy of breast

Applicable to

• Gynecomastia
• Hypertrophy of breast NOS
• Massive pubertal hypertrophy of breast

Excludes1 (never code together)

• breast engorgement of newborn (P83.4)
• disproportion of reconstructed breast (N65.1)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 611.1 Hypertrophy of breast

Diagnosis Index entries for N62

• Excess, excessive, excessively › development, breast
• Gynecomastia
• Hyperplasia, hyperplastic › epithelial › nipple
• Hypertrophy, hypertrophic › breast
• Hypertrophy, hypertrophic › breast › pubertal, massive
• Hypertrophy, hypertrophic › breast › senile (parenchymatous)
• Hypertrophy, hypertrophic › nipple
• Mammoplasia
• Mastoplasia, mastoplastia

Nearby codes

• N62 Hypertrophy of breast (this code)