Also Known As: Vitamin D
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A vitamin synthesized by skin exposure to sunshine and is required for absorption of calcium and phosphorus by the intestinal tract
Correlated with different clinical conditions
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REFERENCE INTERVALS FOR ADULTS:
Deficient: < 20 Insufficient : 20 - 29
Sufficient : 30 - 100 Potential
Toxicity : > 100
INCREASE IN: Gastrointestinal symptoms (anorexia, nausea, vomiting, constipation). In infants- failure to thrive, mental retardation
DECREASE IN: anticonvulsants usage, diabetes mellitus, hypoparathyroidism, renal osteodystrophy, renal tubular acidosis