Laboratory Test Information Guide

Details for Phenobarbital,Serum/Plasma

Test Name: Phenobarbital,Serum/Plasma
Alternate Name(s): Anticonvulsant
Luminal
Phenobarbitone
Laboratory: Core
Specimen Type: 4.5 mL Green (Lithium Heparin) top Vacutainer tube

Pediatric:
0-2 yrs: Green top Microtainer (BD 365985)
2-10 yrs: 2 mL Green top
Collection Information: Collect blood aseptically in a Vacutainer tube.

Serum from a 5 mL Gold top or 6 mL Red top Vacutainer tube is also acceptable.

Minimum volume of blood required for a pediatric sample is 0.5 mL.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: As required
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
24 hours
Stat
1 hour
 
Reference Range: Adult:
65-172 µmol/L

<18 years old:
65-110 µmol/L
Effective Date: 2008-11-15
Revised Date: 2015-10-16
Critical Value: Toxic: >215 µmol/L
Interpretive Comments: CRITICAL VALUE to be phoned to Nurse or Physician immediately:
Special Processing:  
Comments: Long acting barbiturate with anticonvulsant, sedative-hypnotic properties. Because Primidone (Mysoline) is partially metabolized to phenobarbital, it is measured together with Primidone.
Method of Analysis: Enzyme immunoassay (EIA)
Critical Information Required:  
Storage & Shipment:  
System Codes: 
Cerner
PHENO
 
Referred To:  

Questions? Comments? Contact Laura Gopaul