1215 nRNP/Sm IgG Autoantibodies

Components
NAME METHOD REFERENCE RANGE UNITS
nRNP/Sm IgG Autoantibodies EIA/LIA  view ref range  Units 


Specimen Requirements
TYPE VOLUME TEMPERATURE INSTRUCTIONS
PRIMARY
1 Serum 1 (0.5) mL   Ambient - 7 Day(s), Refrigerated - 14 Day(s), Frozen - 2 Month(s)  


Clinical utility
Autoantibodies to the protein components of the U1 variety of small nuclear ribonucleoproteins (U1 snRNP) are common in SLE-overlap syndromes (e.g., mixed connective tissue disease [MCTD]) and less so in SLE itself. High titers of autoantibody to U1 snRNP are a hallmark of MCTD.


Reported: Same day

CPT Code: 86235