Yale New Haven Hospital

Department of Laboratory Medicine
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Sjogrens Ab, SS-A

Lab Section: 

Immunology

 

Lab Location: 

Main Lab

Test ID: 

LAB5008

 

Methodology: 

Enzyme-Linked Immunosorbent Assay

Schedule: 

Monday, Wednesday, Friday

Reported: 

5 days

Specimen Requirements: 

Collection: 5.0 ml Blood in a Gold Top Tube.
Pediatric volume: 1.0 ml.
Unacceptable conditions: Grossly Hemolyzed
Stability: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 6 months (avoid repeated freeze/thaw cycles)

 

Notes: 

Clinical Indications: SSA (Ro) antibody is seen in 70-75% of Sjögren syndrome cases, 30-40% of systemic lupus erythematosus (SLE), and 5-10% of progressive systemic sclerosis (PSS).

Reference Interval: 

Reference Intervals: 
        <20 Units = Negative 
      20-39 Units = Weak Positive 
      40-80 Units = Moderate Positive 
        >80 Units = Strong Positive

CPT Code(s): 

86235

Last Changed: 

12/05/2016 10:01:55

Last Reviewed: 

8/10/2017 2:50:09 PM