Test directory: Vitamin D (1,25 Dihydroxy)

Ordering Code4990
Test NameVitamin D (1,25 Dihydroxy)
Alias1,25 Dihydroxycholecalciferol
1,25 OH-D
Calcitriol
1,25 Vitamin D
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerSerum in Plain (Red)
Optimum Volume1 mL
Handling InstructionsAllow blood to clot (30 minutes) at ambient temperature
Centrifuge and separate the serum from the cells.
Transport RequirementsOahu: Ambient
Airline: Ambient
Specimen StabilityAmbient: 28 Days
Refrigerated: 28 Days
Frozen: 28 Days
Rejection CriteriaInsufficient quantity, Moderate gross hemolysis
Avail. StatNO
Analytic TimeUp to 2 Weeks
MethodologyLC/MS/MS
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of November 23, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Vitamin D,1,25 (OH)2, TotalALLSee report.
Vitamin D3, 1,25 (OH)2ALLSee report.
Vitamin D2, 1,25 (OH)2ALLSee report.