Test Code SSA SS-A/Ro Antibodies, IgG, Serum
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Information: Centrifuge and aliquot serum into plastic vial.
CMH COLLECTION: 1.5 mL in red gel vacutainer
Specimen Minimum Volume
0.35 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 21 days | |
Frozen | 21 days |
Testing Algorithm
For more information see Connective Tissue Disease Cascade.
Useful For
Evaluating patients at-risk for connective tissue disease with or without interstitial lung disease
Detection of both anti-SS-A 52 (Ro52) and SS-A 60 (Ro60) antibodies in serum
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | OK |
Heat-treated specimen | Reject |
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysReporting Name
SS-A/Ro Ab, IgG, SReference Values
<1.0 U (negative)
≥1.0 U (positive)
Reference values apply to all ages.
Method Name
Multiplex Flow Immunoassay
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
86235