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HelpTest Code Pheny PHENYTOIN (DILANTIN)
Aliasis
Dilatin
Patient Preparation
No special patient preparations required
Special Collection Instructions
Oral: collect 6-9 hours after dose
IV: collect 4 hours after dose
Trough: collect immediately prior to next dose
Collection Method
Venous collection
Minimum Volume
Adults: 1.0 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: 10.0-20.0 ug/mL
Reportable Units
ug/mL
Critical Value
≥ 30 ug/mL
Reasons for Rejection
|
Hemolysis Threshold: |
300 - 600 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 |
24 Hours |
|
Refrigerated |
48 Hours |
|
Frozen |
5 Months |
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
80185