An antibody test using a blood sample is not recommended for routine diagnosis or for evaluation of treatment effectiveness.
In a study of 323 children who had stool samples taken twice at 3-month intervals, 26 were found to be transiently H. pylori positive by the HpSA test (rst result positive and the second one negative) .
The blood test came back positive. I am seeing the doctor in three days to follow
She tested positive for the bacteria Helicobacter pylori.
When a blood antibody test is done early in an H. pylori infection, the results may be falsely negative because the level of antibodies is too low to measure.
June ’09 I was diagnosed by Metametrix DNA stool test which showed POSITIVE for high amounts of H. pylori.
Sensitivity and specificity for the stool antigen test in the primary diagnosis of H. pylori infection were 98% and 94%, with positive and negative likelihood ratios of 16.7
Table 3. Outcomes of Stool Tests for Colorectal Cancer Screening for Detection of Advanced Neoplasia. a. Among Alaska Natives by Helicobacter pylori Status (n = 304), 2008–2012.
*CLO test FDA approved. TN1119. Helicobacter pylori Stool Antigen.
H pylori, blood, urea, stool test.