Answer:
Clot formation!
Step-by-step explanation:
During blood sample collecting different anticoagulants are used which include:
- EDTA (Preferred)
- Citrate
- Heparin
Artifacts :
If the sample is not taken properly or improper handling of the sample can affect the blood cell count. One of the artifacts is:
- Failure to mix the blood with anticoagulant: It should be either mixed immediately after or during the sample taking process or else, failure to mix with the blood can cause microclots in the blood sample.