AMITRIPTYLINE - (P)
Test Code: AMTP
Test performred at: St Boniface Hospital by Shared Health Clinical Biochemistry Laboratory using a HPLC-DAD method.
Reports will include concentration of both amitriptyline and nortriptyline since the latter drug is a metabolite and both are pharmacologically active as antidepressants. Collect blood approximately 10 hours after last dose.
For more information see:
Do not use separator gel.
Plasma: 2.0 mL
Serum collected without gel is also acceptable.
Serum: 2.0 mL
For amitriptyline plus nortriptyline
Therapeutic: 125-200 μg/L
Toxic: >500 μg/L (μg/L = ng/mL)
Once Per Week
Collection tubes containing barrier gel cannot be used.