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HelpTest Code Pheny Phenytoin, Total
Useful For
Seizures
Patient Preparation
No special patient preparation required
Special Collection Instructions
None
Collection Method
Venous collection
Minimum Volume
2 mL
Container
Red / Additive Free
Preferred Specimen
Red Top Additive Free
Acceptable Specimens
Light Geen Top (lithium heparin)
Reference or Target Ranges
| Reference Ranges: | 10 - 20 ug/mL |
| Lower Limit of Detection: | 3 ug/mL |
| Upper Limit of Detection: | 80 ug/mL |
Reportable Units
ug/mL
Critical Value
>29.9 ug/mL
Reasons for Rejection
| Hemolysis Threshold | 300 mg/dL |
| Icterus Threshold | 20 mg/dL |
| Lipemia Threshold | 250 mg/mL |
| Other | QNS, contaminated, improperly labeled, improper specimen type |
Specimen Stability
| Ambient | 24 hours |
| Refrigerated (4°C to 8°C) | 48 hours |
| Frozen(-40°C to 0°C) | 5 months |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Routine |
| Stat Availability | |
| Performing Bench | CRMC, Atellica Orders |
| Methodology/Method Description | Siemens Atellica CH |
CPT Codes
80186