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HelpTest Code FV125 Calcitriol 1,25-Dihydroxyvitamin D
Specimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 0.6 mL
Collection Instructions:
1. Collect blood in a red-top tube.
2. Allow blood to clot (30 minutes) at room temperature.
3. Centrifuge and aliquot serum to a plastic vial.
4. Ship ambient.
Secondary ID
75406Method Name
Chromatography/Mass Spectrometry
Reporting Name
CALCITRIOL 1,25 diOH VitDSpecimen Type
SerumSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Ambient (preferred) | 28 days | |
| Frozen | 28 days | ||
| Refrigerated | 28 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
| Plasma | Reject |
Reference Values
Vitamin D, 1,25 (OH) 2, Total pg/mL
<1 year: Not established
1-9 years: 31-87
10-13 years: 30-83
14-17 years: 19-83
≥18 years: 18-72
Vitamin D3, 1, 25 (OH) 2 indicates both endogenous production and supplementation. Vitamin D2, 1, 25 (OH) 2 is an indicator of exogenous sources, such as diet or supplementation. Interpretation and therapy are based on measurement of Vitamin D, 1, 25 (OH) 2, Total.
Vitamin D3, 1, 25 (OH) 2 pg/mL
No Reference Range
Vitamin D2, 1, 25 (OH) 2 pg/mL
No Reference Range
CPT Code Information
82652
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FV125 | CALCITRIOL 1,25 diOH VitD | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z5306 | Vitamin D,1,25 (OH) 2, Total | 62290-2 |
| Z5307 | Vitamin D3, 1,25 (OH) 2 | 1649-3 |
| Z5308 | Vitamin D2, 1,25 (OH) 2 | 62291-0 |