SSA (Ro) (ENA) Antibody, IgG
0050691
Ordering Recommendation
Submit With Order
Mnemonic
SSA
Methodology
Semi-Quantitative Multiplex Bead Assay
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube.  
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Plasma or other body fluids. Contaminated, hemolyzed, or severely lipemic specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)  
Reference Interval
29 AU/mL or less: Negative
30-40 AU/mL: Equivocal
41 AU/mL or greater: Positive
Interpretive Data
SSA (Ro) antibody is seen in 70-75% of Sjögren syndrome cases, 30-40% of systemic lupus erythematosus (SLE), and 5-10% of progressive systemic sclerosis (PSS).
Note
CPT Code(s)
86235
Components
Component Test Code*Component Chart Name
0050691SSA (Ro) (ENA) Antibody, IgG
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Cross References
  • Anti-Ro
  • Anti-SSA
  • Anti-SSA (Ro) (ENA) Antibody
  • Ro
  • Ro Autoantibodies
  • Sjogren Syndrome
  • Sjogren's Antibody
  • SSA Autoantibodies