| Method(s): Enzyme Immunoassay |
| Specimen Required: |
| Collect: One 5 mL gold (SST), one lavender (EDTA), one pink (K2EDTA) or one green (sodium or lithium heparin) top tube. |
| Transport: 0.5 mL serum or plasma at 2-8°C. (Min: 0.2 mL) |
| Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
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| Unacceptable Conditions: Severely lipemic, contaminated, heat-inactivated, or hemolyzed samples.
|
| Schedule: Daily
|
| Billing Code: 5010477 |
| CPT Code: 86677 |
Notes: Separate serum or plasma from cells ASAP.
|
| Reference Interval |
| Less than 1.8 EV: Negative - No significant level of IgA antibody to H. pylori detected.
1.8-2.2 EV: Equivocal - Repeat testing in 10-14 days may be helpful.
Greater than 2.2 EV: Positive - IgA antibody to H. pylori detected, suggestive of active infection. |
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