ICD-10-CM · Chapter 14 · N00-N99
N62 Hypertrophy of breast
Includes
- Gynecomastia
- Hypertrophy of breast NOS
- Massive pubertal hypertrophy of breast
Excludes 1 (cannot be coded together)
- breast engorgement of newborn (P83.4)
- disproportion of reconstructed breast (N65.1)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit N62 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026