ARUP's Laboratory Test Directory

Yersinia enterocolitica Antibody, IgA by Immunoblot : 0051228

Mnemonic: YER IGA

Ordering Recommendation: Immunoblot can be used as an adjunct tool in the diagnosis of Yersinia enterocolitica infection. The presence of IgA and IgG antibodies to Y. enterocolitica Yop proteins can also aid in the diagnosis of post-infectious autoimmune disorders associated with Y. enterocolitica (eg, reactive arthritis, erythema nodosum, Graves Disease, and Hashimoto thyroiditis).
Methodology: Qualitative Immunoblot
Performed: Tue
Reported: 1-8 days
Specimen Required: Collect: Serum separator tube (SST).

Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval:
Effective November 19, 2012

Negative
Interpretive Data:

See Compliance Statement D: www.aruplab.com/CS
CPT Code(s): 86793
Cross References: Yersinia IgA by Western Blot (Yersinia Species Antibody, IgA by Immunoblot)