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).
Serum separator tube (SST).
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)
Contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year
Effective November 19, 2012
Laboratory Developed Test (LDT)
|Component Test Code*||Component Chart Name||LOINC|
|0051228||Yersinia enterocolitica, IgA Immunoblot||41400-3|
- Y enterocolitica IgA WB
- Yersinia IgA by Western Blot