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HelpTest Code RNP RNP Antibodies, IgG, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Children's Mercy Hospital
Note:
CMH COLLECTION: 2 mL in red gel vacutainer
Specimen Minimum Volume
0.35 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 21 days | |
| Frozen | 21 days |
Testing Algorithm
For more information see Connective Tissue Disease Cascade.
Useful For
Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive
Testing for ribonucleoprotein particle antibodies is not useful in patients without demonstrable antinuclear antibodies.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysReporting Name
RNP Ab, IgG, SReference Values
<1.0 U (negative)
≥1.0 U (positive)
Reference values apply to all ages.
Method Name
Multiplex Flow Immunoassay
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86235