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Additional Codes
LAB206
Performing Laboratory
MBMC Main Laboratory
Methodology
Immunoturbidimetric assay.
Latex‑bound heat‑inactivated IgG (antigen) reacts with the RF‑antibodies in the sample to form antigen/antibody complexes which, following agglutination, are measured turbidimetrically.
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Mint-green top (lithium
heparin)
Specimen Volume: Full tube
Alternative Specimen Type: Serum
Alternative Container/Tube: Gold, Serum gel
Alternative Specimen Volume: Full tube
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours
Test Classification and CPT Coding
86431
Reference Range
< 15 IU/mL
Stability
5 days Refrigerated