ANA SCREEN, IFA, W/REFL TITER/PATTERN (REFL)

"Clinical Significance
ANA Screen,IFA, with Reflex to Titer and Pattern (REFL) - Antinuclear antibodies are associated with rheumatic diseases including Systemic Lupus Erythematous (SLE), mixed connective tissue disease, Sjogren's syndrome, scleroderma, polymyositis, CREST syndrome, and neurologic SLE.
Preferred Specimen(s)
1 mL serum

Minimum Volume
0.5 mL

Transport Container
Transport tube

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
 
Reject Criteria
Gross hemolysis • Grossly lipemic • Microbial contamination may interfere

Setup Schedule"

Includes
This is a client specific reflex test. Reflex criteria has been pre-defined by the ordering physician. Additional testing will be performed at an additional charge.
 

Methodology
Immunofluorescence Assay (IFA)

Reference Range(s)
ANA Screen, IFA    Negative
  ANA Titer     
  <1:40    Negative
  1:40-1:80    Low antibody level
  >1:80    Elevated antibody level