Vitamin D Total, Grand Itasca

Sunquest Code:GHVITD  
Epic Code:LAB7054Epic Name:Vitamin D Total GH
Synonyms:Vitamin D Screening; Vitamin D Deficiency
Turnaround Time:Performed Mon-Fri; results are reported in 1-2 days.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Red (gel))
Causes for Rejection:Gross hemolysis

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Chemistry  (Grand Itasca GICH)


Therapeutic Range:30-100 ng/mL
Use:Vitamin D testing is not covered by government payers for screening. This test does not need to be ordered in combination with 1,25 Dihydroxy Vitamin D. This test measures the combined total of both 25-OH vitamin D3 and 25-OH vitamin D2 and reports the combined total. Recovery to 25-OH Vitamin D2 is only about 80%. If an individual is on Vitamin D2 (ergocalciferol) supplementation, order VITD23 by LCMSMS (LAB585).
This test is indicated for patients with chronic kidney disease, cirrhosis, hypocalcemia, hypercalciuria, hypervitaminosis D, parathyroid disorders, malabsorption states, obstructive jaundice, osteomalacia, osteoporosis, osteosclerosis/petrosis, rickets and vitamin D deficiency on replacement therapy related to a condition listed previously, to monitor the efficacy of treatment.

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