Centrifuge SST (serum gel tubes) within 1-2 hours of collection. Centrifuge red top vacutainers and ALIQUOT Serum within 1-2 hours of collection. The separation vial must be labeled with at least 2 patient identifiers and the sample type.
Reference intervals
Appropriate values provided with report.
Clinical Utility
Highly sensitive for diagnosis of Systemic Lupus Erythematosus (SLE). As a follow up test for positive anti-nuclear antibody (ANA) report.