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ICD-10-CM 2027

ICD-10 code for breast hyperplasia

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Hyperplasia, hyperplastic › breast”. Page updated September 29, 2026.

About coding breast hyperplasia

The official ICD-10-CM index doesn't give a single default code for breast hyperplasia; the code depends on the details below.

More specific breast hyperplasia codes (official index)

  • atypical, atypia N60.9 — Unspecified benign mammary dysplasia
  • ductal N60.9 — Unspecified benign mammary dysplasia
  • lobular N60.9 — Unspecified benign mammary dysplasia