This test order is restricted to rheumatologists. This is a follow up test for patients who have a positive centromere pattern on the Anti-Nuclear Antibody Screen [12467/LAB12467].
Immediately following collection, mix sample by gently inverting 5 times
Refrigerated (preferred) - 21 days
Frozen - 21 days
Multiplex Flow Immunoassay
<1.0 U Negative
≥1.0 U Positive