Rheumatoid Factor

Last Modified: 5/16/2023 11:04:58 AM


Medical Necessity Documentation:
Duplicate testing on this test is not acceptable per Medicare:  Testing to only be done every 365 days
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Serum in a SST Gold Top Tube
Collection Instructions:  
Minimum Volume: 0.2 mL Serum
Transport & Storage: Temperature/Stability: 1 day Ambient
8 days Refrigerated
3 months Frozen
Reference Range: <14 IU/mL
Critical Ranges:  
Test Comments:  
Methodology: Immunoturbidimetric
Clinical Significance: Positive results are consistent with, but not specific for, rheumatoid arthritis.
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 1 day
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: RF1
EPIC Test Code: IMO35
Alternate Test Names: RA; RA Titer; RF; RF Screen; Rheumatoid Arthritis; Rheumatoid Factor Screen
Included Tests:  
CPT Coding: 86431

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