Test Code SSAB SS-A and SS-B Antibodies, IgG, Serum
Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
SSA | SS-A/Ro Ab, IgG, S | Yes | Yes |
SSB | SS-B/La Ab, IgG, S | Yes | Yes |
Testing Algorithm
For more information see Connective Tissue Disease Cascade.
Performing Laboratory

Specimen Type
SerumSpecimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.35 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Refrigerated (preferred) | 21 days |
Frozen | 21 days |
Special Instructions
Reference Values
SS-A/Ro ANTIBODIES, IgG
<1.0 U (negative)
≥1.0 U (positive)
Reference values apply to all ages.
SS-B/La ANTIBODIES, IgG
<1.0 U (negative)
≥1.0 (positive)
Reference values apply to all ages.
Day(s) Performed
Monday through Saturday
CPT Code Information
86235 x 2
Report Available
Same day/1 to 3 daysReject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | OK |
Heat-treated specimen | Reject |
Method Name
Multiplex Flow Immunoassay