|
Ordering Information
|
To test for toxicity, collect specimen on presentation and 4 hours later |
|
Laboratory
|
Biochemistry |
|
Specimen
|
Blood |
|
Container
|
Serum tube (gold cap OR red cap w. yellow insert) |
|
Additional Collection Instructions
|
Can be combined with other Biochemistry tests requiring same tube type. |
|
Minimum Adult Volume
|
5mL |
|
Minimum Paediatric Volume
|
None |
|
Notes
|
Time to peak: 1 - 2 hours
Half Life
Acetyl salicylic acid: 15 - 30 minutes
Salicylic acid (metabolite): 3 - 20 hours (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 |
