Catalog ID RF Rheumatoid Factor
CPOE Test Name
Rheumatoid Factor; RF Quant
Synonyms
RF
Specimen Type
Serum
Specimen Requirements
5 mL gold top SST tube 2 mL blood
Storage and Transport
Refrigerate.
Reference Values
Non-reactive (< 14.0 IU/mL)
Causes for Rejection
Wrong tube; improper labeling; not refrigerated during storage
CPT / HCPCS Code
86431
Performing Lab
Core Laboratory BI 2023 721-2120