Helicobacter pylori, IgA
Test ID:
705072
CPT code:
86677
Synonyms:
Helicobacter pyloriAntibodies, IgA
Anti-Campylobacter Antibodies
Anti-H pylori, IgA
Clinical Use:
Diagnose H pylori infection in patients with duodenal disease and for monitoring the eradication of H pylori following antimicrobial therapy; identify the small percentage of H pylori-infected patients who fail to mount a systemic IgG response and demonstrate IgA antibodies only and for those patients who have chronic mucosal infections
Test Information:
Circulating antibodies to H pylori are predominantly of the IgG class. A systemic response of the IgA type is usually less pronounced but, if significant, may indicate a more severe inflammation. A few patients develop only antibodies to IgA. IgM antibodies are rarely found and appear to be of minor importance.
Specimen Type:
Serum
Requested Volume:
1 mL
Minimum Volume:
0.5 mL
Container Type:
Red-top tube or gel-barrier tube
Storage Instructions:
Room temperature
Stability Requirements:
Temperature |
Period |
---|---|
Room temperature |
3 days |
Refrigerated |
3 days |
Frozen |
7 days |
Freeze/thaw cycles |
Stable x3 |
Rejection Criteria
Heat inactivated serum; hemolysis; lipemia; gross bacterial contamination
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