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Test Code RA Screen; RA Titer RHEUMATOID ARTHRITIS-Screen w/ Rfx to Titer

Aliasis

RA

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

2.0 mL

Container

Gold Top Serum Separator

Preferred Specimen

Gold top Serum separator

Acceptable Specimen(s)

Serum:
-Gold top SST
-Red Top

Reference or Target Ranges

Qualitative:

Reactive (positive) or Nonreactive (negative)

Semi-Quatitative:

8 to ≥ 256 IU/mL

Reportable Units

  • Reactive/Nonreactive
  • IU/mL

Critical Value

Not defined for this assay

Reasons for Rejection

Other:                

Short draws, Over draws, Clotted, Improperly labeled

Specimen Stability

Ambient

48 Hours

Frozen                     

14 Days

Performance Information

Days and Time Performed

Monday - Friday

Expected Turn Around Time

Within 7 days of arrival in lab

Performing Bench

CRMC Serology

Methodology/Method Description

The Fisher Healthcare Sure-Vue RF Slide Test is a slide agglutination assay for the qualitative and semiquantitative determination of rheumatoid factor (RF) in human serum.

CPT Codes

86430

86431 -  Rfx Titer