Inpatient and Outpatient Orderable

Phenytoin Level, Free Build info

Synonyms

  • PHENYTOIN LEVEL, FREE
  • DILANTIN
  • LAB32

Short Name

PHENYTOIN LE

Procedure Master Number

LAB32

Procedure ID

712

Clinical Info

Therapeutic Drug monitoring

Specimen Sources

 Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

 Blood

Container

Red Top Tube

Collection Instructions

Container/Tube: Plain, red-top tube(s)
Specimen: 2.5 mL of serum (1.0 mL min)
Transport Temperature: Refrigerate
Stability: 4 Days Room temperature,
7 Days Refrigerated
30 Days Frozen
Rejection: Gel-barrier tube; hemolysis; lipemia

Collect as a trough just prior to next dose. For patients receiving fosphenytoin therapy, collect as peak (at least 2 hours after IV infusion or at least 4 hours after IM injection).

Transport Instructions

Refrigerate

Specimen Stability

4 Days Room temperature,
7 Days Refrigerated
30 Days Frozen
Rejection: Gel-barrier tube; hemolysis; lipemia

Collect as a trough just prior to next dose. For patients receiving fosphenytoin therapy, collect as peak (at least 2 hours after IV infusio

Methodology

Ultrafiltration • Immunoassay (IA)

Days Performed

TAT: 1-2 Days

Performing Laboratory

Quest Diagnostics Nichols Institute

CPT

80186
 
LOINC Code: 3969-3

PDM

 5902380

Only Orderable at Locations:

 Orderable Everywhere

Results
Component Name Base Name Common Name External Name
PHENYTOIN, FREE PHENYTOIN PHENYTOIN, FREE Phenytoin, Free