Test Code Phenob PHENOBARBITAL LEVEL
Patient Preparation
No special patient preparations required
Collection Method
Venous collection
Minimum Volume
Adults |
1.0 mL |
Pediatric |
0.6 mL |
Container
Lt Green / Plasma Separator / Lithium Heparin
Preferred Specimen
Light Green Top (lithium heparin) plasma
Acceptable Specimen(s)
Serum:
-Gold Top SST
-Red Top
Plasma:
-Lt Green top (lithium heparin)
Reference or Target Ranges
Therapeutic Peak: 15.0-40.0 ug/mL
Reportable Units
ug/mL
Critical Value
≥ 50.0 ug/mL
Reasons for Rejection
Hemolysis Threshold: |
500 mg/dL |
Icterus Threshold: |
80 mg/dL (unconjugated) |
|
80 mg/dL (conjugated) |
Lipemia Threshold: |
200 mg/dL |
Other: |
QNS, contaminated, improperly labeled, improper specimen type |
Specimen Stability
Ambient |
8 Hours |
Refrigerated |
2 Days |
Frozen |
30 Days |
Performance Information
Days and Time Performed |
24/7 |
Expected Turn Around Time |
Stat: 1 Hour, Routine: 4 Hours |
Stat Availability |
Yes |
Performing Bench |
CRMC Chemistry |
Methodology/Method Description |
Atellica |
Methodology/Method Description
Atellica CH Analyzer
CPT Codes
80184