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An Approach to Pseudohyperglycemia in Point-of-Care-Testing Glucose Monitoring

Samandika Saparamadu, Amarasinghe Arachchige Don Nalin, MBBS; Lam, Leslie Choong Weng, MBBS, DABCC, FACB, FRCPath, MAACB, FAMS; Lee, Joanne, MSc

doi: 10.1097/POC.0000000000000171
Case Report

Pseudohyperglycemia in blood glucose (BG) monitoring could adversely affect clinical decisions, resulting in potential harm to patients both in home glucose monitoring and inpatient settings. In this report, we describe a rare cause of pseudohyperglycemia associated with point-of care testing and a systematic approach for spuriously elevated BG levels. The cause of pseudohyperglycemia reported in this case study is handling sugar-containing food products and measuring BG levels using a point-of care testing glucometer, without proper hand washing.

From the Department of Laboratory Medicine, Ng Teng Fong General Hospital, Singapore.

Reprints: Amarasinghe Arachchige Don Nalin Samandika Saparamadu, MBBS, Department of Laboratory Medicine, 1 Jurong East Street 21, Singapore 609606. E-mail: samandika.saparamadu@mohh.com.sg.

The authors declare no conflict of interest.

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