Synonym/Acronym:
RF, RA.
Rationale
To primarily assist in diagnosing rheumatoid arthritis.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
(Method: Immunoturbidimetric) Less than 14 international units/mL. Elevated values may be detected in healthy adults 60 yr and older. RF is not useful in monitoring the effectiveness of treatment.
Critical Findings and Potential Interventions
N/A
There's more to see -- the rest of this topic is available only to subscribers.