Orderable Name 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
Specimen 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 daysCPT Code Information
86235 x 2