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Thrombocytosis is an increase in platelets more than 500 x 10 9/L, commonly found incidentally in a routine blood test.
There are broadly two types of thrombocytosis:
Primary haematological disease:
Secondary or reactive (changes are caused by an exaggerated physiological response to a primary problem):
e-Referral Service Selection
This guideline has been signed off on behalf of NHS Devon.
Publication date: July 2016