According to the New York Times, if you’ve had your Vitamin D levels checked by Quest Diagnostics over the last two years, chances are your reading was inaccurately high, meaning you may in fact be deficient even if the results came out adequate.
According to Andrew Pollack of the Times:
The company, Quest Diagnostics, has already sent letters to thousands of doctors listing the patients who might have received “questionable” test results and is offering free retests. The company said it had fixed the problems.
The biggest concern right now is to accurately find patients who have had an erroneously high result. These folks are currently not taking vitamin D supplements when they should be. According to Pollack’s report, the Quest test results have typically been too high, although not in all cases. …continue reading
