Includes:

  • autoimmune disease NOS
  • collagen (vascular) disease NOS
  • systemic autoimmune disease
  • systemic collagen (vascular) disease

Excludes1

  • autoimmune disease, single organ or single cell-type -code to relevant condition category
  1. M33 Dermatopolymyositis

    1. M33.0 Juvenile dermatomyositis

      1. M33.00 Juvenile dermatomyositis, organ involvement unspecified

      2. M33.01 Juvenile dermatomyositis with respiratory involvement

      3. M33.02 Juvenile dermatomyositis with myopathy

      4. M33.03 Juvenile dermatomyositis without myopathy

      5. M33.09 Juvenile dermatomyositis with other organ involvement

    2. M33.1 Other dermatomyositis

      Inclusion term(s):

      • Adult dermatomyositis
      1. M33.10 Other dermatomyositis, organ involvement unspecified

      2. M33.11 Other dermatomyositis with respiratory involvement

      3. M33.12 Other dermatomyositis with myopathy

      4. M33.13 Other dermatomyositis without myopathy

        Inclusion term(s):

        • Dermatomyositis NOS
      5. M33.19 Other dermatomyositis with other organ involvement

    3. M33.2 Polymyositis

      1. M33.20 Polymyositis, organ involvement unspecified

      2. M33.21 Polymyositis with respiratory involvement

      3. M33.22 Polymyositis with myopathy

      4. M33.29 Polymyositis with other organ involvement

    4. M33.9 Dermatopolymyositis, unspecified

      1. M33.90 Dermatopolymyositis, unspecified, organ involvement unspecified

      2. M33.91 Dermatopolymyositis, unspecified with respiratory involvement

      3. M33.92 Dermatopolymyositis, unspecified with myopathy

      4. M33.93 Dermatopolymyositis, unspecified without myopathy

      5. M33.99 Dermatopolymyositis, unspecified with other organ involvement

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.