Test Code 106373598 RF
Performing Laboratory
Torrance Memorial Laboratories
Specimen Requirements
Submit the following specimen:
Specimen Type: Serum
Container/Tube: Serum gel
Spin Instructions:
Serum gel: Allow to sit for 30 minutes prior to
spinning. Spin within 2 hours of collection.
Also acceptable: Red top tube
Specimen Transport Temperature
Ambient
Storage Temp Stability:
Room Temperature: 24 hours
Refrigerated Temperature: 3 days
Methodology
Immunoturbidimetric
Reference Range
New reference range effective 6/22/2021
<30 IU/mL
Day(s) Test Set up/TAT
Performed:
Daily
Available STAT
TAT:
STAT: <1 hr
Routine: < 4 hrs
Aliases
Rheumatoid Factor
CPT Code
86430