Causes of a Discrepancy Between a Hemoglobin or Hematocrit Value Determined on a Conductivity-Based Point-of-Care Instrument (iStat, Other) and Other Hematology Analyzers

There may be a discrepancy between values for hemoglobin and hematocrit determined on a conductivity-based point-of-care (POC) device and other analyzers. This usually is small but sometimes can be significant.