Asked my GP about it, and she said we would repeat it in a couple of weeks, so we did, and it was 460. She looked back my blood
results, and it seems for the last year and a half anyhow, my platelets
have been between 420 - 460, highest been March 2011 they were at 487.
She isnt concerned about this, and thinks it is just my normal, and it isnt progressively getting higher. She does want to check it every 4-6 months, just to check doesnt start to climb.