Examples of Criteria for Specimen Rejection* Laboratory Operations Review 27
- Missing or inadequate label
- Collected at wrong time
- Collected in wrong tube
- Insufficient specimen
- Inadequate volume of blood in anticoagulant tube
- Exposure to temperature extremes
- Prolonged transit
- Clots in CBC tube
- Hemolysis (depending on test ordered)
- Lipemia (depending on test ordered)
*Follow lab’s written policies.