Phenobarbitone (Blood)

Department

Refer to Testing Lab link

Delphic Registration Code (Alpha Code)

PHBA

Test Code (Numeric Code)

7265

Laboratory Handling

Sample Stability

7 days at 25°C, 7 days at 2-8°C, 1 year at -20°C

Synonyms

Mysoline, Primidone, Plasma Phenobarbitone, Serum Phenobarbitone

Turnaround Time

3 hours

Specimen Type

  • Plasma
  • Serum

Specimen Type

  • Plasma

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Preferred
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
  • SST II (Gold Cap)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

5

Minimum Sample Volume (ml)

3.5

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

0.5

Minimum Sample Volume (ml)

0.5

Additional Specimen Information

0.5 mL Paediatric Microtainer PST Blood (Preferred)
0.5 mL Paediatric Microtainer Heparin Blood
0.5 mL Paediatric Microtainer Plain Blood
0.5 mL Paediatric Microtainer SST Blood

Last updated: 08/09/2026