I had a cnbc test done and my.platelets were high 385 reference range fro lab was155-379 x10e3/ul. do i have anythink to worry about?

It depends: Without having the rest of your results from your cbc, it is a little difficult to say. I would address your concerns with your primary care physician and would recommend serial testing to see which direction your platelet count is going. If it continues to rise, it may be indicitive of a more serious condition that would need further workup and testing.