Main Disease Association
Statin-associated myositis

Category
Antibody

When to Order
* Concern for inflammatory myopathy or myositis, especially necrotizing myositis
* Usually associated with statin use, but not always

What It Means If Positive
* Would consider statin-associated myositis high on differential and pursue biopsy to see if necrotizing myopathy
* STOP STATIN DRUGS

What It Means If Negative
* Doesn’t help rule out statin-associated muscle symptoms