M33.9
Header — not billableDermatopolymyositis, unspecified
The ICD-10 code for dermatopolymyositis, unspecified is M33.9.
M33.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 5 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under M33.9
- 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
Related codes in this category
- M33.0Juvenile dermatomyositisnon-billable header
- M33.1Other dermatomyositisnon-billable header
- M33.2Polymyositisnon-billable header
- M33.9Dermatopolymyositis, unspecifiednon-billable header