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Can hematocrit levels affect results?
Hematocrit levels can affect results whether the sample is obtained from arm or from fingerstick. Hematocrit levels less than 30% may cause falsely high readings and hematocrit levels greater than 55% may cause falsely low readings. If you do not know their hematocrit level, you should consult your health care professional. Hematocrit levels may be affected by too much squeezing during site preparation. Please check your Owner's Booklet or Abbreviated Procedure Guide for testing technique. For more information, please call our Customer Care Line at 800 663-5521.
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The health information on this Web site is for general background purposes and is not a substitute for medical advice or treatment for specific conditions. Seek prompt medical attention for health care questions you have. Consult your physician before making changes to your medication, diet, fitness program or blood glucose testing schedules.