instruction: hello doctor this person is 43 years old and male he takes weekly urine screen at the same time of each week the screen measures creatinine in my do and the previous creatinine results are as follows 17 21 179 147 235 201 173 100 92 123 and 142 about a year ago he had levels as low as 17 and are these normal range of numbers if not what might explain this person wide range in creatinine the tests are to monitor for alcohol use and I believe there is a possibility that this person is falsifying the tests if you know any studies then you could point me to that to have a look at creatinine variations in healthy adults that would be helpful thank you
output: hello this is a quite interesting query for further clarification consult a nephrologist online