Test Code 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: 1 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
Differentiation of antibodies to Ro52 and Ro60 in patients known to be positive for anti-SS-A (Ro) antibodies
Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
RO52 | Ro52 Antibody, IgG, S | Yes | Yes |
RO60 | Ro60 Antibody, IgG, S | Yes | Yes |
Method Name
Chemiluminescent Immunoassay
Reporting Name
Ro52 and Ro60 Antibodies, IgG, SSpecimen Type
SerumSpecimen Minimum Volume
0.8 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
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
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 x 2
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
ROPAN | Ro52 and Ro60 Antibodies, IgG, S | 33610-7 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
RO52 | Ro52 Antibody, IgG, S | 53017-0 |
RO60 | Ro60 Antibody, IgG, S | 53019-6 |