Order Code
4958
Preferred Specimen
Collect 0.5 mL of serum. Allow the serum separator tube (SST) to clot while kept upright for a minimum of 30 minutes. Centrifuge the sample within 2 hours after collection. Store refrigerated.
ContainerType
Serum separator tube
Alternate Specimen Requirements
Collect 0.5 mL of serum using a plain red top tube. Let the sample clot upright for at least 60 minutes. After centrifugation, transfer the serum into a plastic transport tube within 2 hours of collection. Ensure the tube is clearly labeled as serum from a plain red top tube. Store refrigerated.
Mnimum Volume
0.3 mL serum
Transport Temperature
Refrigerated
Expected Turnaround Time
2-3 days
Specimen Stability
7 days room temperature; 7 days refrigerated; 6 months frozen
Methodology
Electrochemiluminescencebinding assay
Rejection Criteria
Gross hemolysis
samples with triglycerides >1000 mg/dL
no more than one freeze/thaw cycle
heat-inactivated samples
Alias
- 25 hydroxy Vitamin D-2
- 25 hydroxy Vitamin D-3
- calcifediol
- vit d 25 oh
Test Setup Days
Monday through Friday PM shift
CPT
82306 Limited Coverage Test For Medicare.
Advance Beneficiary Notice Of Non-Coverage (ABN) Required
If Diagnosis Is Not Covered.
Frequency Limit Test For Medicare.
Advance Beneficiary Notice Of Non-Coverage (ABN) Always
Required For Frequency.
LOINC: 1989-3
Reference Range
PEDIATRIC <17 YEARS: 20-100 NG/ML
ADULT: 30-100 NG/ML
| UNIT CODE | UNIT CODE NAME | ANALYTE | GENDER | AGE | REFERENCE RANGE | Units of Measure |
|---|---|---|---|---|---|---|
| 4958 | VIT-D25 | VIT D25 | NOT SPECIFIED | 0Y | SEE BELOW | NG/ML |
| 4958 | VIT-D25 | VIT D25 | NOT SPECIFIED | 17Y | SEE BELOW | NG/ML |
| 4958 | VIT-D25 | VIT D25 | NOT SPECIFIED | 150Y | SEE BELOW | NG/ML |
| 4958 | VIT-D25 | VIT D25 | MALE | 0Y | SEE BELOW | NG/ML |
| 4958 | VIT-D25 | VIT D25 | MALE | 17Y | SEE BELOW | NG/ML |
| 4958 | VIT-D25 | VIT D25 | MALE | 150Y | SEE BELOW | NG/ML |
| 4958 | VIT-D25 | VIT D25 | FEMALE | 0Y | SEE BELOW | NG/ML |
| 4958 | VIT-D25 | VIT D25 | FEMALE | 17Y | SEE BELOW | NG/ML |
| 4958 | VIT-D25 | VIT D25 | FEMALE | 150Y | SEE BELOW | NG/ML |