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HelpTest ID BLOD1769 Ro52 and Ro60 Antibodies, IgG, Serum
Useful For
Evaluating patients at risk for connective tissue disease with or without interstitial lung disease
Differentiation of antibodies to Ro52 and Ro60 in patients known to be positive for anti-SS-A (Ro) antibodies
Specimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial
Specimen Minimum Volume
0.8 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 21 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
Day(s) Performed
Wednesday
Report Available
2 to 8 daysMethod Name
Chemiluminescent Immunoassay
Reporting Name
Ro52 and Ro60 Antibodies, IgG, SPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Secondary ID
615248CPT Code Information
86235 x 2
Reference Values
Ro52 ANTIBODY, IgG
<20 CU (negative)
≥20 CU (positive)
Reference values apply to all ages
Ro60 ANTIBODY, IgG
<20 CU (negative)
≥20 CU (positive)
Reference values apply to all ages
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| RO52 | Ro52 Antibody, IgG, S | Yes | Yes |
| RO60 | Ro60 Antibody, IgG, S | Yes | Yes |