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Sm/RNP Antibody
Test Code38567
CPT Codes
86235
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
P.M. Sets up 6 days a week.
Report Available
Reports in 2 days.
Clinical Significance
Smith (Sm)/U1-RNP Antibody is detected in patients with mixed connective tissue disease (having features of systemic lupus erythematosus (SLE), scleroderma, and polymyositis).
