Common Preanalytical Errors

Question 1

Common Preanalytical Errors
Before collection

Answer 1

1. Incorrect test ordered
2. Inadequate patient preparation
3. Misidentification of Patient

Question 2

Common Preanalytical Errors
During collection

Answer 2

● 1. Wrong container/wrong additive
● 2. Short draws/ wrong anticoagulant/blood ratio
● 3. Prolonged tourniquet time
● 4. Hemolysis due to incorrect technique

Question 3

Common Preanalytical Errors
After collection

Answer 3

1. Inadequate mixing/clots
2. Mislabeling of specimen
3. Improper transport
   -Exposure to light
   -Extreme temperature
   -Delayed delivery
4. Processing errors:
   -Incomplete
   -centrifugation
   -Incorrect log-in
   -Improper storage
   -Improper aliquoting

Question 4

Wrong container/wrong additive

Answer 4

Common Preanalytical Errors
During collection

Question 5

Inadequate patient preparation

Answer 5

BEFORE COLLECTION

Common Preanalytical Errors

Question 6

Incorrect test ordered

Answer 6

BEFORE COLLECTION

Common Preanalytical Errors

Question 7

Short draws/ wrong anticoagulant/blood ratio

Answer 7

Common Preanalytical Errors
During collection

Question 8

Prolonged torniquet time

Answer 8

Common Preanalytical Errors
During collection

Question 9

Misidentification of Patient

Answer 9

BEFORE COLLECTION
Common Preanalytical Errors

Question 10

Hemolysis due to incorrect technique

Answer 10

Common Preanalytical Errors
During collection

Question 11

Mislabeling of specimen

Answer 11

Common Preanalytical Errors
After collection

Question 11

Inadequate mixing/clots

Answer 11

Common Preanalytical Errors
After collection

Question 12

Processing errors:
Incomplete centrifugation
Incorrect log-in
Improper storage
Improper aliquoting

Answer 12

Common Preanalytical Errors
After collection

Question 13

Improper transport

Answer 13

Common Preanalytical Errors
After collection

Question 13

Processing errors

Answer 13

Incomplete centrifugation
Incorrect log-in
Improper storage
Improper aliquoting