SSA (Ro) (ENA) Antibody, IgG : ARUP Lab Tests

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SSA (Ro) (ENA) Antibody, IgG : 0050691

Mnemonic: SSA

Methodology:	Semi-Quantitative Multiplex Bead Assay
Performed:	Sun-Sat
Reported:	1-2 days
Specimen Required:	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. Stability (collection to initiation of testing): 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).
CPT Code(s):	86235
Cross References:	Anti-SSA (Ro) (ENA) Antibody (SSA (Ro) (ENA) Antibody, IgG), Ro Antibody (SSA (Ro) (ENA) Antibody, IgG), Sjögren Syndrome (SSA (Ro) (ENA) Antibody, IgG) , Sjögren's Antibody (SSA (Ro) (ENA) Antibody, IgG) , Sjögren's Syndrome (SSA (Ro) (ENA) Antibody, IgG)

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