Last updated: Saturday, 01, May, 2004
5 mL blood in EDTA tube.
2 mL blood in special paediatric EDTA.
Part of FBC, calculated by many automated instruments: mean platelet volume (MPV); platelet distribution width (PDW); and plateletcrit (PCT).
| Reference Interval|
Varies with instrument - consult pathologist.
Quantitative assessment of platelet size and volume is of limited value in distinguishing between reactive thrombocytosis and essential thrombocythaemia.
Quantitative assessment of the degree of variation in platelet size and volume.
Van der Lelie J and Von dem Borne AEG. J Clin Pathol 1986; 39: 129-133.