Rheumatoid Factor
General Information
Lab Name
Rheumatoid Factor
Lab Code
RF
Epic Name
Rheumatoid Factor
Synonyms
Latex, RF
Interpretation
Method
Turbidimetric
Reference Range
Units: IU/mL
| Female | Male | ||
|---|---|---|---|
| Age | Range | Age | Range |
| 0- | <15 | 0- | <15 |
Effective date: 01/04/2016
Guidelines
Ordering & Collection
Specimen Type
Collection
Preferred: 4 mL blood in GOLD
SST or LIME GREEN PST tube
Also Acceptable: 4 mL blood in RED TOP, GREEN TOP, or LAVENDER TOP tube
Also Acceptable: 4 mL blood in RED TOP, GREEN TOP, or LAVENDER TOP tube
Handling Instructions
The laboratory must process the specimen within 2 hours of collection.
Quantity
requested: 1 mL serum/plasma
minimum: 0.5 mL serum/plasma
Processing
Separate plasma/serum
within 2 hours of collection and refrigerate. Avoid repeated freezing and
thawing
Performance
LIS Dept Code
Chemistry, Automated Panels (CHA)
Performing Location(s)
| UW-MT |
Chemistry, Automated
206-520-4600 Clinical Lab, Room NW220, |
|---|
Frequency
Daily
Available STAT?
No