Test Code VITD Vitamin D Level
Additional Codes
LAB2301
Performing Laboratory
Central Peninsula Hospital
Collection Method
Venipuncture
Container

Serum (Gold SST or red top tube)
Specimen Type
Preferred
- Serum- Gold Top SST or Red Top
Acceptable
- Plasma- Light Green Top
Minimum Volume
0.5ml
Specimen Stability
| Ambient | 8 hours |
| Refrigerated (4°C to 8°C) | 4 days |
| Frozen(-40°C to 0°C) | 24 weeks |
Reference or Target Ranges
| Age | Male | Female |
| all ages | >30 | >30 |
Deficient: <20 ng/mL
Insufficient: 20-30 ng/mL
Optimal: > 30 ng/mL
Reportable Units
ng/mL
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | 600 mg/dL |
| Icterus Threshold | 66 mg/dL |
| Lipemia Threshold | 300 mL |
| Other | QNS, contaminated, improperly labeled, improper specimen type |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time |
Stat: 1 hour Routine: 4 hours |
| Stat Availability | Yes |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
82306
Last review/edit date
2025