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HelpTest Code AFP Alpha Fetoprotein
Patient Preparation
No special patient preparation required
Collection Method
Venous collection
Minimum Volume
- Adults: 1 mL
- Pediatric: 0.6 mL
Container
Gold Top / Serum Separator / Additive Free
Preferred Specimen
Gold Top SST
Acceptable Specimens
Serum:
- Gold Top SST
- Red Top
Plasma:
- Light Geen Top (lithium heparin)
- Pink Top (K3 EDTA)
- Dark Green Top (sodium heparin)
Reference or Target Ranges
< 8.1 ng/mL
Reportable Units
ng/mL
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | 500 mg/dL |
| Icterus Threshold | 20 mg/dL |
| Lipemia Threshold | 1000 mg/dL |
| Other | QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
| Ambient | 1 day |
| Refrigerated (4°C to 8°C) | 7 days |
| Frozen(-40°C to 0°C) | 3 months |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Stat: 1 hour Routine: 4 hours |
| Stat Availability | Yes |
| Performing Bench | UH Chemistry |
| Methodology/Method Description | Siemens Atellica - Immunoassay |
CPT Codes
82105