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ICD-10-CM 2027

ICD-10 code for arch

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

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

About coding arch

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

More specific arch codes (official index)

  • aortic Q25.49 — Other congenital malformations of aorta
  • bovine Q25.49 — Other congenital malformations of aorta

Common questions about arch ICD-10 codes

What is the ICD-10 code for aortic arch?

Q25.49 — Other congenital malformations of aorta.

What is the ICD-10 code for bovine arch?

Q25.49 — Other congenital malformations of aorta.