Vitamin D

Also Known As: Vitamin D

Consult for Vitamin D at Samyak.

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About the Test

A vitamin synthesized by skin exposure to sunshine and is required for absorption of calcium and phosphorus by the intestinal tract.

Clinical Significance:

Correlated with different clinical conditions.

More about Tests

Learn more about laboratory testing

Target Levels (where applicable)


Deficient: < 20
Insufficient : 20 - 29
Sufficient : 30 - 100
Potential Toxicity : > 100

What is being checked

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.