Geisinger Medical Laboratories Test Catalog
RHEUMATOID FACTOR, CSF |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1257 Geisinger Epic ID: 52953 | |
SPECIMEN COLLECTION |
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Specimen type: |
CSF | |
Preferred collection container: |
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Specimen required: |
1.5 mL CSF; minimum 1 mL. | |
SPECIMEN PROCESSING |
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Transport temperature: |
Freeze immediately and ship frozen. | |
Specimen stability: |
Room temperature: 72 hours. Refrigerated: 7 days. Frozen: 28 days. | |
TEST DETAILS |
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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. | ||
Methodology: |
Immunoturbidity |
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Synonyms: |
Quest test code 17407, RF Csf
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Clinical significance: |
Central nervous system vasculitis is a rarely described complication of rheumatoid arthritis. As with rheumatoid vasculitis in general, the cause of CNS vasculitis in rheumaroid arthritis (RA) is unknown. |