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Ribonucleoprotein Antibodies
Alternative Names/Synonyms
Anti-Ribonucleoprotein Antibody, Anti-RNP Antibody
Laboratory
Core Laboratory & Transfusion Medicine
Sub-section
Biochemistry
Specimen Type
Blood
Test Code
RNP
Ordering Instructions, Requisition
Can be ordered and done as part of
Connective Tissue Disease (CTD+) Screen
.
Clinical Significance
Aiding in the assessment of systemic lupus erythematosus and mixed connective tissue disease.
Specimen Requirements (Sample Type)
Serum
Specimen Requirements (Volume (mL))
0.5 mL
Specimen Requirements (Tube Type)
Serum (Gold SST)
Collection Containers – Tube Types
Collection Requirements
Blood Collection Instructions
Storage / Shipment Details
Freeze for shipment or if assay not completed within 2 days.
Sample Stability
Room Temperature
: 8 Hours
Fridge
: 48 hours @ 2-8°C
Freezer
: 1 year @ -20°C
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
BIO-FLASH, immunoassay
Test Availability
Weekdays
Routine Turnaround Time
1 week
Reference Ranges
< 20 CU
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
Laboratory Contact Information
416-586-4800 extension 4688
Ordering Practices
Can be ordered alone or as part of the
Connective Tissue Disease Screen
reflex panel.