Skip to main content
8171
Lab Test Details

Lab Test Details

SIM

11100 

CPT

80185 

Synonyms

Phenytoin 

Specimen Type

Plasma or serum 

Container

3.5 ml Green - Lithium heparin plasma separator 
4.0 ml Gold-top serum separator

Collection Instructions

None

Volume

2 ml plasma or serum 
Min: 0.5 ml

Additional Information

None

Patient Preparation

None

Specimen Processing Instructions

Plasma:  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Serum:  Allow to clot.  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Centrifuge within 2 hours of collection.

Transport Requirements

Refrigerated

Specimen Stability

Room temperature:  8 hours   Refrigerated: 5 days 

Rejection Criteria

If not centrifuged within 2 hours of collection.

Reference Range

10-20 ug/mL

Critical Value

>25 ug/mL 

Test Includes

Dilantin 

Methodology

Particle enhanced turbidimetric inhibition immunoassay method 

Testing Frequency

Daily, Monday - Sunday 

 

 

Reviewed By

Crystal Killian

Reviewed Date

3/17/2021

Supplemental

 

  

Reviewed by Crystal M. Killian March 17, 2021