Cephalexin (Blood)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

CEPH

Test Code (Numeric Code)

3022

Laboratory Handling

Separating

Separate immediately and freeze at -20°C

Laboratory

LabPLUS High Performance Liquid Chromatography

Sample Stability

Stable for at least one day at 4°C and at least two weeks at -20°C

Synonyms

Cephalexin, Cefalexin

Turnaround Time

1 week

Performed weekly

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Plain (Red Top)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
Preferred Sample Volume (ml)

4

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Plain(Microtainer)
Preferred Sample Volume (ml)

1

Last updated: 24/08/2026