Test Code RMCPHENY Phenytoin Level Total*

Important Note

*This test is orderable in Cerner as Phenytoin Level Total

Turbidimetric Inhibition

Rutland Regional Medical Center Laboratory

Specimen Type: Blood
Container/Tube: Serum

Preferred: Light-green top (lithium heparin gel)

Acceptable: Gold top, serum gel

Specimen Volume: Full tube

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. Send specimen in original tube.

2. If there is a delay in transport of >1 hour, centrifuge tube.

Refrigerated

Therapeutic concentration: 10-20 µg/mL

Critical Value: >25 µg/mL (automatic call-back)

Daily

Analytical Time:

1 day

Available Stat

CPT: 80185

LOINC: 3968-5

Order Code: RMCPHENY

Result Code: RMCL800507

Result Name: Phenytoin Level Total