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HelpTest Code FOL Folate, Serum
Additional Codes
LAB69
Collection Method
Venous collection
Minimum Volume
0.5ml
Container
Gold Top / Serum Separator / Additive Free
Acceptable Specimens
Serum:
- Gold Top SST
- Red Top
Reference or Target Ranges
>4.0ng/ml
Reportable Units
ng/ml
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | Hemolyzed samples not suitable for this assay |
| Icterus Threshold | 29 mg/dL |
| Lipemia Threshold | 1500 mg/dL |
| Other | QNS, contaminated, improperly labeled, improper specimen type, specimen not light protected |
Specimen Stability
| Ambient | 2 hours |
| Refrigerated (4°C to 8°C) | 48 hours |
| Frozen(-40°C to 0°C) | 4 weeks |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Routine: 4 hours |
| Stat Availability | No |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
82746
Last review/edit date
2025
Aliases
Folic Acid
Special Collection Instructions
Protect specimen from light
Patient Preparation
Patient should be fasting for 8 hours.