Scleroderma Antibody, IgG
Anti-Scleroderma (Scl-70) (ENA) Antibody - Autoantibodies to Scl 70 Antigen - Scl70 - Scleroderma Antibodies - Topo 1 - Topoisomerase 1 Antibody - Topoisomerase I Antibody - ENA
Specimen Collection Requirements
Serum, one gold (SST) or 7.0 mL red top tube.
Allow serum to clot completely at room temperature (minimum – SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP.
0.5 mL serum (whole blood 1.2 mL minimum draw)
Plasma, microbially contaminated, heat treated or specimens containing visible particulates. Grossly hemolyzed, grossly lipemic or icteric serum should not be used.
Ambient (18-26°C): 48 hours; Refrigerated (2-8°C): 10 days; Frozen (≤ -20°C): 1 year
Testing Information
This test can be ordered as a panel with all seven ENA’s or individually.
Monday, Wednesday, Friday
Chemiluminescent Immunoassay
Reference Values
< 20 CU Negative
≥ 20 CU Positive
Last Updated:
Wednesday, January 27, 2021 02:48:08 AM
Client Services: 503-413-1234