Assertion: hemolysis | /r/HasProperty | an in vitro artifact
Facets:
value: due to poor venipuncture technique
type: CAUSE
value: due to lipemia
type: CAUSE
value: usually
type: DEGREE
Source sentences:
text: Hemolysis is usually an in vitro artifact due to poor venipuncture technique, lipemia, freezing of whole blood samples, delayed separation of serum or plasma from cells, delayed sample submission, and certain anticoagulants (fluoride-oxalate).