Nortriptyline is the N-methylated metabolite of amitriptyline. Both are tricyclic antidepressants with mild tranquilising action. They inhibit catecholamine reuptake. Clinical indication for requesting: investigation of toxicity.
Tube
04 (EP) – EDTA Plasma
ID
Tests&Tubes0150
Additional Information
Amitriptyline half-life 10 to 28 hrs. Nortriptyline half-life 18 to 60 hrs.
Turn Around
Turnaround time stated by Cardiff: 7 days
Send to
Blood Sciences LGI
(Test referred to: Cardiff toxicology lab)
Contact
For further details please contact Leeds Pathology customer services: l[email protected]
Advice
Full information on all referred tests can be found on the referred tests information database, EQMS reference BSF2REC17003
Collection Con
Instructions to lab: Centrifuge sample, separate and freeze plasma.
Minimum volume: 1mL plasma
Sample REQ
Blood
Ref. Range Notes
Amitryptiline + Nortryptiline 80 to 200 ug/L
Units
µg/L