Main Disease Association
Dermatomyositis rash +/- interstitial lung disease

Category
Antibody

When to Order
* Clinical presentation of rash(es) seen with dermatomyositis +/- interstitial lung disease (ILD)
* Often, the rash is present without the muscle symptoms.

What It Means If Positive
* High concern for RAPIDLY PROGRESSIVE ILD

What It Means If Negative
* Doesn’t rule out myositis, ILD, or possibility of dermatomyositis rash