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ICD-10-CM 2027

ICD-10 code for dermatomyositis

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

From the official ICD-10-CM alphabetic index entry “Dermatomyositis (acute) (chronic)”. Page updated September 29, 2026.

About coding dermatomyositis

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

More specific dermatomyositis codes (official index)

  • adult M33.10 — Other dermatomyositis, organ involvement unspecified
  • in (due to) neoplastic disease D49.9 — Neoplasm of unspecified behavior of unspecified site
  • juvenile M33.00 — Juvenile dermatomyositis, organ involvement unspecified
  • with
  • myopathy M33.02 — Juvenile dermatomyositis with myopathy
  • respiratory involvement M33.01 — Juvenile dermatomyositis with respiratory involvement
  • specified organ involvement NEC M33.09 — Juvenile dermatomyositis with other organ involvement
  • amyopathic M33.03 — Juvenile dermatomyositis without myopathy
  • without myopathy M33.03 — Juvenile dermatomyositis without myopathy
  • specified NEC M33.10 — Other dermatomyositis, organ involvement unspecified
  • with
  • myopathy M33.12 — Other dermatomyositis with myopathy
  • respiratory involvement M33.11 — Other dermatomyositis with respiratory involvement
  • specified organ involvement NEC M33.19 — Other dermatomyositis with other organ involvement
  • amyopathic M33.13 — Other dermatomyositis without myopathy
  • without myopathy M33.13 — Other dermatomyositis without myopathy

Common questions about dermatomyositis ICD-10 codes

What is the ICD-10 code for adult dermatomyositis?

M33.10 — Other dermatomyositis, organ involvement unspecified.

What is the ICD-10 code for juvenile dermatomyositis?

M33.00 — Juvenile dermatomyositis, organ involvement unspecified.