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HelpTest Code VITDT VITAMIN D, 25-HYDROXY, TOTAL, SERUM
Performing Laboratory
NorDx Laboratories
Useful For
Assessing a patient’s Vitamin D status, evaluating hypo- and hypercalcemia, and investigating causes of osteomalacia. Assay should not be used for children less than 1 year of age. VIT25 (25-Hydroxyvitamin D2 and D3) is recommended for this population.
Method Name
Electrochemiluminescent Immunoassay (ECLIA)
Reference Values
Deficient: <13 ng/mL
Inadequate: 13-24 ng/mL
Sufficient: 25-50 ng/mL
Possibly harmful: >51 ng/mL
This is a suggested range according to the IOM/CDC 2011 guidelines, please interpret within the clinical context.
Days and Times Test Performed
Monday through Sunday
Report Available
1 Day
Specimen Type
Serum
Preferred Container
Serum Separator Tube (SST)
Preferred Volume
0.5 mL
Minimum Volume
0.1 mL
Specimen Collection and Handling
Spin specimen, separate from clot and send refrigerated.
Specimen Stability Information
Specimen Type: Serum
Frozen: 3 Months
Refrigerated: 4 Days
Room Temp: 8 Hours
Must be spun/separated within: 2 Hours
Add On Capable
Yes
Advance Beneficiary Notice Requirements
This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 82306 | Vitamin D, 25-Hydroxy, Quantitative |
Performing Laboratory Location
NorDx Laboratories
LOINC Code Information
62292-8
Clinical Significance
This test measures total 25-Hydroxy forms of Vitamin D (25OH -D2 plus 25OH-D3) circulating in the blood. This includes dietary and supplements of either 25OH-D2 or 25OH-D3, as well as 25OH-D3 produced through sun (UV-B) exposure.
Triglyceride and Cholesterol levels >300 mg/dL may falsely decrease 25-OH Vitamin D results.
Acceptable Alternative Container(s)
Plasma Separator Tube (PST)