I recently received an e-mail from a friend who was concerned about interpreting kidney function tests (KFTs), which led me to think it's time for a review of these tests to help you interpret your lab results. There are lots of discussions of these tests on-line, ranging from detailed and frankly verbose (e.g., look up the name of the test at Wikipedia) to straightforward and very simple (e.g., see Lab Tests Online). I won't go into how often these tests should be obtained, nor what the...


