Skip to main content

Specimen Collection Manual and Test Catalog

  or
  or
  or

RHEUMATOID FACTOR, CSF

Geisinger Epic Procedure Code:  LAB1257    Geisinger Epic ID:  52953

SPECIMEN COLLECTION
Specimen type: 

CSF


Preferred collection container: 
Specimen required: 

1.5 mL CSF; minimum 1 mL.



SPECIMEN PROCESSING
Transport temperature: 

Freeze immediately and ship frozen.


Specimen stability: 

Room temperature: 72 hours. Refrigerated: 7 days. Frozen: 28 days.



TEST DETAILS
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
Synonyms: 

Quest test code 17407, RF Csf


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.


Review Date:  12/11/2024

Performing Locations