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Collection Instructions

Unity Point Health - Cedar Rapids

Website:

Mayo Medical Laboratories

Mayo Clinic Laboratories

Test Code RHUF Rheumatoid Factor

Important Note

Remove serum/plasma from cells ASAP

Performed at Pathology Laboratory in Des Moines, IA

Additional Codes

 Test ID
RHUF

EPIC Test ID
LAB206

Specimen Requirements

Remove serum/plasma from cells ASAP.  EDTA plasma is acceptable but will not route in Sunquest information system.

Container/Tube Type: 

Green (Lithium Heparin)
Red (No Additive)
SST (Serum Separator)

Transport Information: 

1.8 mL blood/0.6 mL plasma/serum

Minimum Sample Volume

0.6 mL blood/0.2 mL plasma/serum

Specimen Stability

Refrigerated Stability: 

8 days

Frozen Stability: 

3 months- thawed only once

Ambient Stability: 

24 hours

Report Availibility

Performed: 

Monday-Friday 8:00a to 10:00p
Saturday-Sunday 9:00a to 5:00p

Analytical Time: 

1 day

Methodology

Immunoturbidimetric