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HelpTest Code LAB3890 Sm/RNP Antibody
Clinical System Name
Sm/RNP Antibody
Synonyms
Anti Sm/RNP; Sm/RNP; SmRNP; ENA
Sample Requirements
Specimen: Whole Blood
Container(s): Gold SST, Red, Dark Green/Sodium Heparin, Lavender/EDTA
Preferred Vol: 1.0 mL
Minimum Vol: 0.5 mL
Note: Minimum volume may be shared between SSA, SSB, Sm, Sm/RNP, RNP, dsDNA.
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: 2-8 C
Storage location: CPA Fridge, FrigF Rack.
Off-site collection: Spin blood, refrigerate 0.5 mL serum/plasma in a polypropylene aliquot tube.
Stability
| Temperature | Time |
|---|---|
| Room temp | |
| Refrigerated | 7 d |
| Frozen | 6 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M-F | 1-3 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem East
Phone Number: (206) 987-2617
CPT Codes
86235
Methodology
Method: Immunoassay on Bioplex 2200
Analytical Volume: 0.4 uL serum
Limitations:
Reference Range
| AI | |
|---|---|
| Negative | < 1.0 |
| Positive | > 1.0 |
Description
This assay is used in the detection and quantitation of autoantibodies to aid in the diagnosis of autoimmune disease. The assay is intended for the detection of IgG class antibody to Sm/RNP in human sera. The results are semi-quantitative.