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ICD-10-CM 2027

ICD-10 code for unilateral

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

From the official ICD-10-CM alphabetic index entry “Unilateral”. Page updated September 29, 2026.

About coding unilateral

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

More specific unilateral codes (official index)

  • development, breast N64.89 — Other specified disorders of breast
  • organ or site, congenital NEC