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ICD-10-CM 2027

ICD-10 code for Hallux

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

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

About coding Hallux

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

More specific Hallux codes (official index)

  • deformity (acquired) NEC M20.5X — Other deformities of toe(s) (acquired)
  • limitus M20.5X — Other deformities of toe(s) (acquired)
  • malleus (acquired) NEC M20.3 — Hallux varus (acquired)
  • rigidus (acquired) M20.2 — Hallux rigidus
  • congenital Q74.2 — Other congenital malformations of lower limb(s), including pelvic girdle
  • sequelae (late effect) of rickets E64.3 — Sequelae of rickets
  • valgus (acquired) M20.1 — Hallux valgus (acquired)
  • congenital Q66.6 — Other congenital valgus deformities of feet
  • varus (acquired) M20.3 — Hallux varus (acquired)
  • congenital Q66.3 — Other congenital varus deformities of feet

Common questions about Hallux ICD-10 codes

What is the ICD-10 code for deformity nec hallux?

M20.5X — Other deformities of toe(s) (acquired) (header code; choose a more specific subcode).

What is the ICD-10 code for limitus hallux?

M20.5X — Other deformities of toe(s) (acquired) (header code; choose a more specific subcode).

What is the ICD-10 code for malleus nec hallux?

M20.3 — Hallux varus (acquired) (header code; choose a more specific subcode).

What is the ICD-10 code for rigidus hallux?

M20.2 — Hallux rigidus (header code; choose a more specific subcode).

What is the ICD-10 code for valgus hallux?

M20.1 — Hallux valgus (acquired) (header code; choose a more specific subcode).

What is the ICD-10 code for varus hallux?

M20.3 — Hallux varus (acquired) (header code; choose a more specific subcode).