The data for the indicator is based on the billed services according to [tariff pool](/p/glossar#tarifpool).Vitamin D is a vitamin that controls the concentration of calcium and phosphorus in the blood. 25(OH) vitamin D is the major circulating form of vitamin D and is the best indicator of vitamin D levels. Measuring the 25 (OH) vitamin D in blood serum can detect low levels. A deficiency can be due to various factors. The indicator in the Swiss Atlas of Healthcare shows the frequency of measurements of 25 (OH) vitamin D in outpatient settings. From 1 July 2022, the Federal Department of Home Affairs (FDHA) has restricted the reimbursement by compulsory health insurance of various laboratory tests, including vitamin D tests.
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