Test Entry - Detail

Isoniazid


General
  Clinical Use: Therapeutic drug monitoring.
Isoniazid is an antibiotic that can be used to treat infections caused by the Mycobacterium genus as well as other infections.
  Availability: Samples are batched and tested once a week.
 
  Code: ISOZ
  Handling Instructions (to laboratory): Send sample chilled within 2 hours of collection.
  Hyperlink:
  Reference Interval:
Refer to report or laboratory.


Collection Requirements
  Container: Serum Sep. Tube-SST (GOLD),  
  Sample Type: See container
  Minimum Collection Volume: 1mL
  Collection Instructions: If sample will not reach laboratory within 2 hours of collection, it must be centrifuged, separated and frozen.
Non-medicare rebateable item. All patients except Public, VA and Pensioners must pay $70.92 upfront.


Processing Requirements
  Alternate Containers:
Lithium Heparin-PST (GREEN)
  Processing Instructions: Centrifuge, separate and freeze sample.
  Minimum Assay Volume: 200uL
  Stability: 2 hours ambient; 24 hours chilled; 6 months frozen
  Transport Instructions (to testing laboratory): Send separated sample frozen on dry ice.


Testing Locations
  Performed at:
Section Department Site Contact Phone
- Laboratory QLD Pathology-Royal Brisbane Hospital (07) 3646 3636


Last Updated : 03-02-2026 15:00