Austin Pathology

Test Directory

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Salicylate

Ordering Information
To test for toxicity, collect specimen on presentation and 4 hours later
Laboratory
Biochemistry
Specimen
Blood
Container
Serum tube (gold top)
Additional Collection Instructions
Can be combined with other Chemistry tests requiring same tube type
Minimum Adult Volume
5mL
Minimum Paediatric Volume
None
Notes
Time to peak:  1 - 2 hrs

Half Life:
Acetyl salicylic acid:  15 - 30 mins
Salicylic acid (metabolite):  3 - 20 hrs (depends on dose)
Frequency
Daily
Reference Interval

 

Therapeutic  150 - 300 mg/L
Toxic > 300 mg/L

Please note that results prior to 18th March 2015 were reported in mmol/L.

Conversion: mmol/L x 138 = mg/L