RHEUMATOID FACTOR QUANTITATIVE (RF)
: RF, RA
: Turbidimetric Immunoassay
: 0-<19yrs: 9-17.1 IU/mL , 19-150yrs: 0-<30
: Red top tube 5mL
: 2 red top microtainers
: 2 mL serum
: 0.5 mL serum
: Separate within one hour and store at 2-8C until delivery
: 24 hours @ 20-25 degrees C; 3 days at 2-8 degrees C; 4 weeks at -20 degrees C
Reasons for Rejection
: Hemolysis; improper collection
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