| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Vitamin D 25 Hydroxy Total
Test CodeVitamin D 25 Hydroxy Total - NCMC
CPT Codes
82306
Preferred Specimen
1.0 mL Serum Gel or Red Top
Minimum Volume
0.5 mL
Other Acceptable Specimens
1.0 mL Plasma from LiHep Tube
Specimen Stability
| Temperature | Time |
| Ambient | 8 hours |
| Refrigerated | 4 days |
| Frozen | 24 weeks |
*Centrifuge and aliquot into a plastic vial.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Reject mild hemolysis, plasma
Methodology
Antibody Competitive Immunoassay
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
<10 ng/mL (severe deficiency)
10-19 ng/mL (mild to moderate deficiency)
20-50 ng/mL (optimum levels)
51-150 ng/mL (increased risk of hypercalciuria)
>150 ng/mL (toxicity possible)
10-19 ng/mL (mild to moderate deficiency)
20-50 ng/mL (optimum levels)
51-150 ng/mL (increased risk of hypercalciuria)
>150 ng/mL (toxicity possible)
Performing Laboratory
North Colorado Medical Center Laboratory
