Phenytoin PTN

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

One 3 mL plain red top tube (preferred). Also acceptable: heparinized plasma and serum separator.

Transport

1 mL serum at 2-8°C.

Stability

Ambient: 24 hours; Refrigerated: 2 days; Frozen: 5 months

Schedule Daily
Billing Code 1010149
CPTCode 80185
Preferred Specimen Collection Device(s)
Reference Interval

10.0-20.0 mcg/mL

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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