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Lactose Tolerance Test
Aka: Lactose Tolerance Test
- See Also
- Lactose Intolerance
- Lactose Breath Hydrogen Test
- Indications
- Lactose Intolerance testing
- Technique
- Obtain baseline Fasting Blood Glucose
- Patient ingests 1 to 1.5 grams lactose per kilogram
- Measure serial Blood Glucose levels
- Interpretation: Positive Test for Lactose Intolerance
- Blood Glucose rises <20 mg/dl above Fasting level
- Intestinal symptoms of Lactose Intolerance present
- Efficacy
- False Positive Rate: 20%
- False Negative Rate: 20%