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Sjogren's Antibodies (SS-A, SS-B)
Test CodeSSAB
Quest Code
7832
Alias/See Also
SSAB
LA ANTIBODY
LA ANTIBODY
CPT Codes
86235 (x2)
Preferred Specimen
2 mL
Minimum Volume
1 mL
Transport Container
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: Next day
Reference Range
Sjögrens Antibody (SS-A) | <1.0 AI | Negative |
Sjögrens Antibody (SS-B) | <1.0 AI | Negative |
Clinical Significance
Sjögren's antibodies (SS-B) is detected in approximately 15% of patients with Sjögren's Syndrome. Sjögren's antibody (SS-B) is present only if Sjögren's antibody (SS-A) is also detected. The presence of both antibodies (SS-A and SS-B) strengthen the diagnosis of Sjögren's Syndrome and conveys prognostic information.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Last Updated: October 11, 2019