ICD-10-CM > M00-M99 > M30-M36 > M33 > M33.1 M33.1 Other dermatomyositis Non-Billable/Non-Specific Applicable To Adult dermatomyositis Codes M33.10Other dermatomyositis, organ involvement unspecifiedM33.11Other dermatomyositis with respiratory involvementM33.12Other dermatomyositis with myopathyM33.13Other dermatomyositis without myopathyM33.19Other dermatomyositis with other organ involvement