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Test Compendium

3137: VITAMIN D, 25-OH

Test Code

  • 3137

Test Synonym

  • VIT D 25, VIT D25 HYDROXY

Volume

  • 0.1 mL

Minimum Volume

  • 0.05 mL

Specimen Requirements

  • Serum

Container

  • Serum Separator Tube, Transfer Tube- Serum, Plain Red Top Tube, Pediatric Serum Separator Tube

Storage

  • Refrigerated

Turn Around Time

  • 1 day

Special Instructions

  • 1 SST

Specimen Stability

  • 5 days at 2-8 degrees C after 5 days store frozen at -20 degrees C

Reference Range

  • Fasting Sex Message Lines Ref Ranges Unit of Measure
    Interpretive Guidelines for Vitamin D, 25-Hydroxy* ------------------------------------------------- >100 ng/mL ............ Potential Vit D Toxicity 30-100 ng/mL ............ Vitamin D Optimal Level 21-29 ng/mL ............ Vitamin D Insufficiency <20 ng/mL ............ Vitamin D Deficiency *Endocrine Society Guidelines, 2011 30 - 100 ng/mL