Vitamin D, 25-Hydroxy, Fractionated LC-MS/MS
Test Summary
Both D2 and D3 portions of Vitamin D are measured in this assay, usually utilized to monito intensive therapy. This assay employs liquid chromatography tandem mass spectrometry.
Aliases
N/A
Specimen Collection
Special Instructions
Preferred Specimen
1 mL Serum from SST (gel or Red top (no gel) tube.
Minimum Volume
1 mL
Instructions
Avoid hemolysis. Allow to clot in an upright position for 30 minuties. Centrifuge for at least 10 minutes. Keep tightly stoppered.
Patient Preparation
N/A
Storage
Original tube
Transport Temperature
Refrigerated
Specimen Stability
- Room Temperature = N/A
- Refrigerated = 14 days
- Frozen = 14 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
- Hemolysis
- Lipemia
- Incorrect specimen type
- Insufficient sample volume
- Improper storage conditions
- Exceeds specimen stability guidelines
- Contaminated sample
Order Code
EPIC (Premier) Code
LAB5404
Includes
Vitamin D 25 Hydroxy D2 & D3
CPT Code
- 82306
Billing Code
- 300174
CPT Statement
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
FDA Status
This test was developed and its performance characteristics determined by CompuNet Clinical Labs. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
2308 Sandridge Drive
Moraine OH, 45439
Department
Reference Range
See Report
Setup Schedule / Expected Turnaround Time
Tuesday and Thursday; Report available: 6 days
Specimen Collection
Special Instructions
Preferred Specimen
1 mL Serum from SST (gel or Red top (no gel) tube.
Minimum Volume
1 mL
Instructions
Avoid hemolysis. Allow to clot in an upright position for 30 minuties. Centrifuge for at least 10 minutes. Keep tightly stoppered.
Patient Preparation
N/A
Storage
Original tube
Transport Temperature
Refrigerated
Specimen Stability
- Room Temperature = N/A
- Refrigerated = 14 days
- Frozen = 14 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
- Hemolysis
- Lipemia
- Incorrect specimen type
- Insufficient sample volume
- Improper storage conditions
- Exceeds specimen stability guidelines
- Contaminated sample
Result Information
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Testing Laboratory
Reference Range
See Report
Setup Schedule / Expected Turnaround Time
Tuesday and Thursday; Report available: 6 days