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ICD-10-CM 2027

ICD-10 code for nonunion

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

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

About coding nonunion

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

More specific nonunion codes (official index)

  • fracture
  • joint, following fusion or arthrodesis M96.0 — Pseudarthrosis after fusion or arthrodesis
  • organ or site, congenital NEC
  • symphysis pubis, congenital Q74.2 — Other congenital malformations of lower limb(s), including pelvic girdle