The most likely cause of a delta check alarm is due to either random error or:

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A delta check alarm indicates a significant change in results between two consecutive tests for the same patient. The most common cause for this is a specimen labeling error where a sample from a different patient is tested or mixed up with another sample from the same patient. Lipemia, hemolysis, and old blood can also affect test results but are usually identified and addressed during the testing process and do not typically trigger a delta check alarm.

The Most Likely Cause of a Delta Check Alarm Is