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| 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-OH, TOTAL
Test CodeLAB7829
CPT Codes
82652
Preferred Specimen
1 Gold tube (SST)
Patient Preparation
None
Minimum Volume
0.5 mL (2 mL optimal)
Instructions
Centrifuge for complete separation of serum from red cells.
Transport Container
Transfer tube
Transport Temperature
Refrigerate
Specimen Stability
- 15-30°C up to 7 days
- 2-8°C up to 14 days
- Frozen up to 6 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
- Grossly hemolyzed
- Lipemic
- Icteric
Methodology
Chemiluminescent Immunoassay (CIA)
Setup Schedule
M, T, Th, F only
Batached; Day shift only, STAT testing is not available
Batached; Day shift only, STAT testing is not available
Report Available
Same day tested
Reference Range
19.9 - 79.3 pg/mL
A normal test result does not rule out Vitamin D deficiency
A normal test result does not rule out Vitamin D deficiency
Clinical Significance
May be useful for evaluating calcium metabolism in individuals with hpyercalcemia or renal failure in addition to Vitamin D, 25-Hydroxy testing. Test is not appropriate for diagnosing Vitamin D deficiency or insufficiency.
