Order Code
5853
Preferred Specimen
Collect 1 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 of collection. Store refrigerated.
ContainerType
Serum separator tube
Alternate Specimen Requirements
Collect 1 mL of serum using a plain red top tube. Let the sample clot upright for at least 60 minutes. After centrifugation, transfer the serum to a plastic transport tube within 2 hours of collection. Clearly label the tube as serum from a plain red top tube. Keep refrigerated.
Alternatively, collect 1 mL of plasma in an EDTA (lavender top) or heparin (green top) tube. Centrifuge and separate the plasma from the cellular components within 2 hours of collection. Transfer the plasma to a plastic transport tube and clearly label it as EDTA or heparin plasma. Refrigerate.
Mnimum Volume
0.25 mL serum or plasma
Transport Temperature
Refrigerated
Expected Turnaround Time
3-6 days
Specimen Stability
22 days room temperature; 22 days refrigerated; 27 days frozen
Methodology
liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Rejection Criteria
- Icterus
Test Setup Days
Sunday, Tuesday, Thursday, Friday AM shift
CPT
82306 Laboratory Developed Test By Sonic Reference Laboratory.
Limited Coverage Test For Medicare.
Advance Beneficiary Notice Of Non-Coverage (ABN) Required
If Diagnosis Not Covered.
Frequency Limit Test For Medicare.
Advance Beneficiary Notice Of Non-Coverage (ABN) Always
Required For Frequency.
LOINC:
25-Hydroxy D Total (D2 + D3): 62292-8
25-Hydroxy D2: 49054-0
25-Hydroxy D3: 1989-3
Reference Range
BY REPORT
| UNIT CODE | UNIT CODE NAME | ANALYTE | GENDER | AGE | REFERENCE RANGE | Units of Measure |
|---|---|---|---|---|---|---|
| 5853 | ISOFORM VIT D | BY REPORT |