M33.9
M33.9: Dermatopolymyositis, unspecified
Non-billable headerICD-10-CM
M33.9 is a non-billable header ICD-10-CM code for dermatopolymyositis, unspecified. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with M33.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
- G72Other and unspecified myopathies
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 M33.9
5 child codes. Green means billable.
- M33.90Dermatopolymyositis, unspecified, organ involvement unspecified
- M33.91Dermatopolymyositis, unspecified with respiratory involvement
- M33.92Dermatopolymyositis, unspecified with myopathy
- M33.93Dermatopolymyositis, unspecified without myopathy
- M33.99Dermatopolymyositis, unspecified with other organ involvement