Casandra
Casandra Test Code QD86479Version 1 (DRAFT)
Performing Lab
Sm/RNP Antibody
Also known as: Ribonucleoprotein, ENA Antibodies, Ribonuclear Protein Antibody, RNP Antibody, Extractable Nuclear Ab
Clinical Use
Order TestUse
Smith (Sm)/U1‑RNP Antibody is detected in patients with mixed connective tissue disease, which often exhibits overlapping features of systemic lupus erythematosus (SLE), scleroderma, and polymyositis.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (IA)
Biomarkers
Sm/RNP
ProteinAntibody • Other • Binary (Detected / Not Detected)
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container
Red Top Tube (No Additive)
Causes for Rejection
Gross hemolysis; Grossly lipemic; Grossly icteric
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 4 Days |
| Refrigerated | 7 Days |
| Frozen | 30 Days |
Related Tests
Other tests from different labs that may be relevant
Smith/RNP (ENA) Antibody, IgG
ARUP Laboratories
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Smith and Smith/RNP (ENA) Antibodies, IgG
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Anti-Sm Ab (RDL)
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Anti-U1 RNP Ab (RDL)
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Smith (Sm) Antibodies, IgG, Serum
Mayo Clinic Lab
Antinuclear Ab Profile, 9-biomarker Profile, by Multiplex Immunoassay, dsDNA, RNP, Sm, SS-A, SS-B, Scl-70, Chromatin, Jo-1, Centromere B
Labcorp
RNP Antibodies, IgG, Serum
Mayo Clinic Lab
Extractable Nuclear Antigen Antibodies (Smith/RNP, Smith, SSA 52, SSA 60, and SSB)
ARUP Laboratories
Anti-ENA Abs (RDL)
Labcorp