Phenytoin PTN

Method(s) Particle Enhanced Turbidimetric Inhibition Immunoassay
Synonym Dilantin®
Specimen Required
Collect

One 3 mL plain red top tube. Also acceptable: heparinized plasma.

Transport

1 mL serum at 2-8ºC.

Remarks

DO NOT collect in a serum separator tube; limited stability due to absorption of drug by gel, with decrease in result by as much as 15%.

Stability

Ambient: 2 days; Refrigerated: 7 days; Frozen: 3 months

Schedule Daily
Billing Code 1010149
CPTCode 80185
Notes

Lab Staff: Specimens collected in gel tubes and received within 1 hour of collection may be run and reported with comment PTNC.

Preferred Specimen Collection Device(s)
Reference Interval

10.0-20.0 mcg/mL

No Appointment Necessary
Show All Locations >
12 Patient Service Centers in Central New York.

Test Directory

A B C D E F
G H I J K L
M N O P Q R
S T U V W X
Y Z # List >