Depending on your age that level may not be high and in fact may be a very healthy level. the following link is to one of the few long term studies to measure all cause mortality versus TC, LDL-C, and HDL-C See table 5 :
http://dspace.lib.kanazawa-u.ac.jp/dspace/bitstream/2297/7526/1/ME-PR-MABUCHI-H-1087.pdf
note that the lowest risk of death occures at TC of 200-259!
note also that your LDL-C and HDL-C are also in the lowest risk range..
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