Test Code RO52 Ro52 Antibody, IgG, Serum
Ordering Guidance
This test detects antibodies to Ro52 only. For testing antibodies to both Ro 52 and Ro60, order ROPAN/Ro52 and Ro60 Antibodies, IgG, Serum.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial
Useful For
Evaluating patients at risk for connective tissue disease with or without interstitial lung disease
Differentiating single vs double positivity for Ro52 and Ro60 antibodies in combination with anti-Ro60
Method Name
Chemiluminescent Immunoassay
Reporting Name
Ro52 Antibody, IgG, SSpecimen Type
SerumSpecimen Minimum Volume
0.4 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 14 days | |
Frozen | 21 days |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | OK |
Reference Values
<20 CU (negative)
≥20 CU (positive)
Reference values apply to all ages
Day(s) Performed
Wednesday
Report Available
2 to 8 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterTest 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.CPT Code Information
86235
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
RO52 | Ro52 Antibody, IgG, S | 53017-0 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
RO52 | Ro52 Antibody, IgG, S | 53017-0 |