Phenytoin

Last Modified: 2/2/2022 7:13:32 AM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:

Should be drawn 2 -4 hours after IV dose, or just prior to next oral dose
Minimum Volume: 0.2 mL Serum
Neonatal Volume: 0.3 mL Whole Blood
Transport & Storage: Temperature/Stability: 7 days Refrigerated

24 hours on cells
Rejection Criteria: Serum Separator Tube (SST or PST)
Reference Range: 10 - 20 ug/mL
Critical Ranges: > 40.0 ug/mL
Test Comments:  
Methodology: Immunoassay
Clinical Significance:  
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: PHENY
EPIC Test Code: LAB31
Alternate Test Names: Dilantin; Phenytoin Level, Total
Included Tests:  
CPT Coding: 80185

Go back to the top of the page.