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Vitamin D, 25-Hydroxy, Total, Immunoassay : 17306
Test CodeVITDSC or 17306
Alias/See Also
25 OH Vitamin D,Vitamin D, 25-OH,25-Hydroxy Vitamin D,Vitamin D, 25-Hydroxy
CPT Codes
82306
Instructions
Fasting preferred, but not required.
Transport Container
Preferred Specimen
0.8 mL serum
Minimum Volume
0.5 mL
0.8 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 7 days; Refrigerated: 7 days; Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Moderate hemolysis, Grossly lipemic, Plasma
Methodology
Immunoassay
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
30-100 ng/mL
Clinical Significance
Measurement of serum 25-OH vitamin D concentrations provide a good index of circulating vitamin D activity in patients not suffering from renal disease. Lower than normal 25-OH vitamin D levels can result from a dietary deficiency, poor absorption of the vitamin or impaired metabolism of the sterol in the liver. A 25-OH vitamin D deficiency can lead to bone diseases such as rickets and osteomalacia. Above normal levels can lead to hypercalcemia.
Performing Laboratory
med fusion
