Evaluation of Vitamin D Status in Children With Acute Burns

Inclusion Criteria: * Child is \> 6 months of age but \< 19 years old * Burn injury \> 30% total body surface area * Admitted to SHC within 4 days of injury * Attending physician decision that patient is likely to survive * Parents or legal guardian give informed consent along with assent of the child as applicable Exclusion Criteria: * Attending physician decision that patient is not likely to survive * Prior history of anticonvulsant or glucocorticoid use, gastric/bowel resection, parathyroid disease, liver disease, chronic renal failure or prior pharmacologic vitamin D use (\>1000 IU/D)