M33.1
M33.1: Other dermatomyositis
Non-billable headerICD-10-CM
M33.1 is a non-billable header ICD-10-CM code for other dermatomyositis. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Adult dermatomyositis
Other codes that can never be billed with M33.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead M33.1
5 child codes. Green means billable.