<s>[INST] I have high pottasium in my blood tests, I had a serious accident in 2002 where my left leg and ankle were crushed it was reconstructed with titanium plates and screws, it wasfound to be unstable in April 2012 and I had the metal removed and my left ankle fused, I have delayed union and I am having further surgery in March 2013 could this be the cause of the high pottasium. [/INST] Hi and thanks for the query, Potassium levels will certainly have nothing to do with the accident. The commonest and most serious cause of high potassium levels is renal or kidney failure. It is advisable for you to carry out renal function tests, and off course consult an internist for a complete clinical evaluation. Uncontrolled diabetes mellitus also could cause high potassium levels and certain Chat Doctor.  Remember uncontrolled high potassium levels at a particular point in time could lead to a heart attack. Thanks and hope this helps. Please do carry out renal function tests and diabetes screening, and consult your internist for a proper evaluation and management. Thanks and best regards, Luchuo, MD. </s>