Created at	Source	Raw Value	Validated value
July 8, 2021, 4 a.m.	usa	- 1. vitamin d sufficient or already receiving vitamin d supplements 2. active malignancy 3. hypercalcemia, hyperparathyroidism 4. chronic kidney disease (egfr<30 ml/min) 5. pregnant and lactating women 6. patient on mechanical ventilation at icu admission	- 1. vitamin d sufficient or already receiving vitamin d supplements 2. active malignancy 3. hypercalcemia, hyperparathyroidism 4. chronic kidney disease (egfr<30 ml/min) 5. pregnant and lactating women 6. patient on mechanical ventilation at icu admission