PHENYTOIN SERUM

General Information

HLAB/HOL Code: PHENY
UPHSM LIS Test #: 286
Schedule: Daily
Testing Time: 10 min
Testing Lab: UP Health System-Marquette

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 0.5 ml
Temperature: Refrigerate
Tube Type: 1 Red Top (Plain)
Collection Info:
Refrigerate specimen after collection.
NOTE:
1. Include time of collection on request form.
2. Heparinized plasma is acceptable.
3. If an SST tube is drawn, the specimen must be centrifuged (immediately after clotting occurs) and the serum must be removed and sent
     refrigerated in an aliquot tube.

Methods

Immunoassay

CPT Codes

80185

* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Reference Range

10 - 20 ug/mL
Panic Value (automatic call-back)
>35 ug/mL