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The TZ Check test detects IgA antibodies against tissue transglutaminase as an indicator of possible celiac disease or gluten intolerance. It uses an immunochromatographic method and provides a qualitative result, positive or negative, in 10 minutes. Its accuracy is 98%.
The test requires 2 drops of blood from a finger prick. The result should be interpreted alongside other diagnostic tests and clinical findings. The hematocrit at the time of testing must be between 25% and 65%.
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