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HelpTest 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
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 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |