Which of the following is the most common source of laboratory errors?

Question

Quizplus · Accepted Answer

Preanalytical factors are the most common source of laboratory errors, accounting for approximately 70% of all errors. Preanalytical factors include errors related to specimen collection, transport, and processing before testing. Analytical factors (B) refer to errors that occur during the actual analysis of the specimen and are less common than preanalytical factors. Postanalytical factors (C) include errors related to result reporting and interpretation and account for approximately 10% of laboratory errors. Nonanalytical factors (D) refer to errors that do not involve laboratory testing, such as errors in patient identification or communication between healthcare providers, and are outside the scope of the laboratory's responsibility.

Which of the Following Is the Most Common Source of Laboratory