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Phenobarbital
Test Code: VPHENO
Species
Alpaca, Avian, Bovine, Camelid, Canine, Caprine, Equine, Feline, Ferret, Mouse, Other, Ovine, Porcine, Primate, Rabbit, Rat
Test Category
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
​Serum ​Red Top Tube (RTT) ​Serum Separator Tube (SST) ​0.5 mL ​54 uL
Collection Processing Instructions

Time of collection is not a factor since peak and trough values do not vary in most animals on chronic phenobarbital therapy.
Serum must be separated from clot within 1 hour of collection.

Label tube with animal's name.

Specimen Stability Information
Specimen Type Temperature Time
​Serum ​Refrigerate ​7 days
​Frozen at -20 deg Celsius ​7 days
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Cleveland ​Monday through Saturday Less than 2 hours​ Olympus AU​
​Marshfield Monday through Saturday​ Less than 2 hours​ Olympus AU
​Milwaukee Monday through Saturday​ Less than 2 hours​ Olympus AU​
​Minneapolis ​Monday through Saturday ​Less than 2 hours ​Olympus AU
Marshfield Center Laboratory Section
Test Information
Optimally, refrigerated serum should be analyzed within 3-5 days of collection for most chemistry assays.
Reference Intervals

 

Performing Location​ ​Reference Interval
​All Sites

​Canine:  17-48 ug/ml

Feline:  15-49 ug/mL

 

 

Species
Alpaca, Avian, Bovine, Camelid, Canine, Caprine, Equine, Feline, Ferret, Mouse, Other, Ovine, Porcine, Primate, Rabbit, Rat
Test Category
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
​Serum ​Red Top Tube (RTT) ​Serum Separator Tube (SST) ​0.5 mL ​54 uL
Collection Processing Instructions

Time of collection is not a factor since peak and trough values do not vary in most animals on chronic phenobarbital therapy.
Serum must be separated from clot within 1 hour of collection.

Label tube with animal's name.

Specimen Stability Information
Specimen Type Temperature Time
​Serum ​Refrigerate ​7 days
​Frozen at -20 deg Celsius ​7 days
Test Information
Optimally, refrigerated serum should be analyzed within 3-5 days of collection for most chemistry assays.
Reference Intervals

 

Performing Location​ ​Reference Interval
​All Sites

​Canine:  17-48 ug/ml

Feline:  15-49 ug/mL

 

 

Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Cleveland ​Monday through Saturday Less than 2 hours​ Olympus AU​
​Marshfield Monday through Saturday​ Less than 2 hours​ Olympus AU
​Milwaukee Monday through Saturday​ Less than 2 hours​ Olympus AU​
​Minneapolis ​Monday through Saturday ​Less than 2 hours ​Olympus AU
Laboratory Section
For most current information refer to the Marshfield Laboratory online reference manual.