RHEUMATOID FACTOR, Quantitative
Specimen Collection Requirements
Serum or Plasma, one 5.0 mL gold (SST) or 3.0 mL mint green (lithium heparin, PST) top tube
Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum from cells ASAP.
Grossly hemolyzed specimens
AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 24 hours; Refrigerated (2-8°C): 8 days; Frozen (at or below -20°C): 3 months
Samaritan Health Services Laboratories
Thursday, January 5, 2017 03:42:29 AM