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 Type

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

Results