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Test Code LAB158 Helicobacter pylori Antibody IgG, Plasma or Serum

Additional Codes


Reporting Title

Helicobacter pylori


Inova EIA

Note: Useful as an aid in diagnosis of Helicobacter pylori infection. Helicobacter pylori infection can be associated with duodenitis, chronic gastritis, gastric or duodenal ulcer, or gastric carcinoma.

Performing Laboratory

OhioHealth Laboratory Services-RMH Special Testing

Specimen Requirements

Submit only 1 of the following specimens:



Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated.

1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.

2. Heterophile antibodies may interfere with this assay.

3. Indicate serum on request form.

4. Label specimen appropriately (serum).




Draw blood in a mint green-top (heparin) gel tube(s). Spin down and send 1 mL of heparinized plasma refrigerated.

Note:  1. Heterophile antibodies may interfere with this assay.

2. Indicate plasma on request form.

3. Label specimen appropriately (plasma).


Specimen Stability Information

Specimen Type Temperature Time
Serum and plasma Refrigerated 96 hours
  Ambient  8 hours
  Frozen  Stable


Specimen Transport Temperature

Refrigerate/Ambient OK/Frozen OK

Reference Values


Patients with acute Helicobacter pylori infection may not exhibit detectable Helicobacter pylori antibodies at early stages. To determine sero conversion 2 specimens should be drawn 3 to 4 weeks apart. “Indeterminate” results should be retested in about 1 week.

Note:  Results from HIV or immunosuppressed patients should be interpreted with caution.

Day(s) Test Set Up

Tuesday and Friday

Test Classification and CPT Coding