Imagine that your last hemoglobin A1c result was 5.9. Now it's time for a new test, and the results show that your A1c is 6.1. Does this mean your control has gotten a lot worse?
We have to remember that all these lab tests we get are subject to all kinds of errors. First, they're performed by human beings, and all human beings occasionally make mistakes.
When I was first diagnosed, my hemoglobin A1 (the old test that didn't break down into A1c) was 16. This was equivalent to an A1c of about 13. Obviously not good! I was put on metformin and given the standard dietary advice.
I drastically reduced my food intake, especially starches and sugars, went back for another test in several weeks, and then saw my doctor. He said my A1 hadn't changed. I told him that was impossible. "If it had gone from 16 to 14, I'd believe you, but it's impossible that it hasn't changed when I've changed my diet so much ( read more about dietary changes for diabetes here) . My fastings ...
Often, the hardest part of screening and testing isn’t undergoing the tests themselves, but waiting for results to come back. If you’re like most people, you will want your test results as soon as possible. With an emergency or just before a chemotherapy treatment, test results generally come back quickly. But when your doctor orders a non-emergency test — which most breast-cancer-related tests are — the lab or radiology department may not send the results back as quickly. Your doctor isn’t likely to know when the test actually gets done or if the results are available until the report comes into the office 3 to 7 days later. Meanwhile, you may think that your doctor has the results and isn’t getting back to you.
Although there is no way to make test results come back any faster, there are steps you can take to feel more in control of the process. Simply asking about when to expect results and making arrangements with your doctor to get them can go a long way toward reducing anxiety. ...
Alternative Names 25-OH vitamin D test; Calcidiol 25-hydroxycholecalciferol test Normal Values The normal range is 30.0 to 74.0 nanograms per milliliter (ng/mL). Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results. What abnormal results mean Lower than normal levels suggest a vitamin D deficiency. This condition can result from: Lack of exposure to sunlight Lack of adequate vitamin D in the diet Liver and kidney diseases Malabsorption Use of certain medicines, including phenytoin, phenobarbital, and rifampin Low vitamin D levels are more common in African-American children, particularly in the winter, as well as in infants who are exclusively breastfed. Low vitamin D levels have also been associated with an increased risk of developing cancer. For more information, see the article on vitamin D deficiency . Higher than normal levels suggest excess vitamin D, a condition called hypervitaminosis D .
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