Last Modified:
8/31/2023 3:30:24 PM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
3.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:
Collect at steady-state trough concentration. Specimen should be collected >12 hours after dose.
Centrifuge and separate from cells immediately
Minimum Volume:
1.5 mL
Transport & Storage: Temperature/Stability:
5 days Ambient (transport)
7 days Refrigerated (Preferred)
1 month Frozen
Rejection Criteria:
Gross hemolysis • Serum Separator Tube (SST or PST) • Gel Barrier
Reference Range:
50-150 mcg/L
Critical Ranges:
Test Comments:
Methodology:
HPLC
Clinical Significance:
Nortriptyline is a tricyclic antidepressant. Therapeutic drug levels are monitored to assist the physician assessing therapeutic response and to avoid toxicity.
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
1 to 2 days
Days Performed:
Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Quest - Chantilly
PHL Test Code:
NORTR
EPIC Test Code:
LAB807
Send Out Test Code:
272
Alternate Test Names:
Aventyl; Aventyl Nortriptyline; Pamelor®
Included Tests:
CPT Coding:
80335 (HCPCS: G0480)
Go back to the top of the page.