Yersinia enterocolitica

Yersinia Species Antibodies, IgG, IgA

Test Codes

EPIC: LAB1231973, Beaker: XYER, Quest: 16768

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and maintain at room temperature (20-26°C or 68-78.8°F) prior to transport.

Preparation for Courier Transport

Transport: 0.5 mL serum, room temperature (20-26°C or 68-78.8°F). (Minimum: 0.2 mL)

Rejection Criteria

• Hemolyzed specimens.
• Icteric specimens.
• Lipemic specimens.
• Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and maintain at room temperature (20-26°C or 68-78.8°F) prior to transport.

Transport: 0.5 mL serum, room temperature (20-26°C or 68-78.8°F). (Minimum: 0.2 mL) 

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Varies, 1x per week, as needed.
Results available in 7-10 days.

Reference Range

Y. enterocolitica Ab (IgG):  <0.90
Y. enterocolitica Ab (IgA):  <0.90

Interpretive Criteria:
       <0.90  Antibody not detected
0.90-1.10  Equivocal
       >1.10  Antibody detected

Test Methodology

Enzyme Linked Immunosorbent Assay (ELISA)

Clinical Utility

Yersinia enterocolitica Antibodies (IgG, IgA) – Y. enterocolitica is associated with a wide spectrum of clinical manifestations, including enteritis, colitis, and reactive arthritis. Specific IgG and IgA antibodies are typically present following acute infection.

CPT Codes

86793x2

Contacts

Last Updated

11/19/2025