ARUP's Laboratory Test Directory

0051228: Yersinia Species Antibody, IgA by Western Blot

Test Mnemonic: YER IGA
Methodology: Western Blot

Performed: Tue

Reported: 1-8 days

Specimen Required:  
Collect: One 4 mL SST.

Transport: 1 mL serum at 2-8°C. (Min: 0.2 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.1 mL serum at 2-8°C.

Remarks: Separate serum from cells ASAP. Acute and convalescent specimens should be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens.  Please mark specimen plainly as "acute" or "convalescent".

Unacceptable Conditions: Heat-inactivated, contaminated, hemolytic, icteric, lipemic, or turbid specimens.

Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval:
Negative - No significant Yersinia IgA antibodies detected.

Positive - IgA antibodies to Yersinia detected.

Interpretive Data:
Cross-reactivity has been shown to exist between Yersinia, Borrelia burgdorferi (Lyme disease) and other bacterial species and thyroid-stimulating immunoglobulin (Graves disease). Therefore, results should be interpreted with caution and correlated with clinical information.

Please refer to Statement A in the Compliance Statements section in the front of the Laboratory Test Directory.



CPT Code(s):
86793