Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

RHEUMATOID FACTOR

ORDERING INFORMATION:
Sunquest Test Code:
RF      Geisinger Epic Procedure Code: 86431         Geisinger Epic ID: 7385

SPECIMEN COLLECTION
Specimen type:
Serum or plasma
Preferred collection container:
Specimen required:
2 mL aliquot serum or plasma; minimum 0.2 mL
Patient preparation:
Fasting specimen preferred.

SPECIMEN PROCESSING
Specimen processing instructions:
Serum: Allow to clot. Centrifuge serum or plasma at 1100-2000 g for a minimum of 10 minutes. 
Transport temperature:
Refrigerated (preferred). Room temperature or frozen specimen also acceptable.
Specimen stability:
Room temperature: 24 hours. Refrigerated: 8 days. Frozen: 3 months.
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Reference interval:
< 14 IU/mL
CPT code(s):
86431
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Rheumatoid factor.
Methodology:
Immunoturbidity
Synonyms:
RF
Clinical significance:
Elevated RF is found in collagen vascular disease such as SLE, rheumatoid arthritis, scleroderma, Sjögren's syndrome, and in other conditions such as leprosy, tuberculosis, syphilis, malignancy, thyroid disease, and in a signfiicant percentage of otherwise normal elderly patients.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 11/05/2018

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Mariana Moyer, Jared Shepherd
Frequency: Daily, Monday - Sunday
Performed stat? Yes
Locations  |    Search  |    Site Map |   Contact Us
©2000-2019 Geisinger Health System.   All rights reserved.
*GMC - Geisinger Medical Center; GWV - Geisinger Wyoming Valley Medical Center; GSACH - Geisinger Shamokin Area Community Hospital; GBH - Geisinger Bloomsburg Hospital;
GCMC - Geisinger Community Medical Center (Scranton); GLH - Geisinger Lewistown Hospital; GHS - Geisinger Holy Spirit; GJSH - Geisinger Jersey Shore Hospital,
GSWB - Geisinger South Wilkes-Barre