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ANA IFA Screen (ANA reflex dsDNA)
MessageTiter and pattern are performed on all positive ANA screens. Positive titers of 1:80 or higher reflex to anti ds-DNA testing.
Test Code
ANAIF
Preferred Specimen
1.2 mL 1 mL Serum
Instructions
Testing Frequency: Tuesday AND Friday
Transport Container
SST,Serum Aliq, Refrig
Transport Temperature
room temperature
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 48 hours refrigerated, 3 months if frozen at -20
Methodology
Indirect Fluorescent Antibody (IFA) using HEp-2 cells. Positive titers of 1:80 or higher reflex to anti ds-DNA testing.
Clinical Significance
"Expected Value(s):
Negative"
Negative"
