Centralized Core Laboratory - Mayo Clinic Laboratories :
Send Out
Tube Type:
Red top (no anticoagulant) tube
Collection Volume:
2.5 mL ( 1.0 mL minimum)
Availability:
Sent to reference lab.
Methodology:
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Special Instructions:
Collect immediately prior to next dose.
Lab Centrifuge and remove serum from cells within 2 hours of collection.
Additional Info:
Reference Values:
Therapeutic concentration: 70-170 ng/mL
Risk of toxicity is increased with nortriptyline levels above 500 ng/mL
CPT Code:
80335, G0480 (if appropriate)
Synonyms:
Pamelor
Aventyl
Test ID/Workstation :
NORTP
Tube Type:
Red top (no anticoagulant) tube
Collection Volume:
2.5 mL ( 1.0 mL minimum)
Availability:
Sent to reference lab.
Methodology:
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Special Instructions:
Collect immediately prior to next dose.
Lab Centrifuge and remove serum from cells within 2 hours of collection.
Additional Info:
Reference Values:
Therapeutic concentration: 70-170 ng/mL
Risk of toxicity is increased with nortriptyline levels above 500 ng/mL
CPT Code:
80335, G0480 (if appropriate)
Synonyms:
Pamelor
Aventyl