Rheumatoid Factor, Qualitative Screen

Mnemonic

RFS

Synonym

Rheumatoid Factor, Qualitative Screen

Specimen Collection Requirements

Collect

Serum Separator Tube (SST), or plain red-top tube.

Handling

Separate serum from cells after the tube has adequately clotted (approximately 30 minutes).

Preferred Volume

1.0 ml

Minimum Volume

0.5 ml

Transport

Refrigerated (2-8 degrees Celsius).

Rejection Criteria

Grossly hemolyzed serum.

Plasma samples.

Stability

AFTER SEPARATION FROM CELLS: Ambient 24 hours, refrigerated 8 days, and frozen 3 months.

Testing Information

Performed

7 days/week

Method

Latex agglutination

Referral Lab

Samaritan Pacific Communities Hospital

Last Updated: Wednesday, September 12, 2018 01:36:01 PM