RHEUMATOID FACTOR

Synonyms: RF
Computer Code: RF
Specimen Collection: 3 mL whole blood (light green top (Li Heparin) preferred. Red/gold acceptable).
Minimum Volume: 2 mL
Handling Instructions for Offsite Areas: Allow to clot, centrifuge for 20 minutes, refrigerate. Serum must be removed from red top tube.
Reference Values: <14 IU/mL
Lab Code: CC
Requisition: C/H
Test Frequency: Daily
Routine TAT: 2 hrs
Stat TAT: 60 min
CPT Code(s): 86431
LCD or NCD:
Methodology Used:
See Addendum XVII