AMITRIPTYLINE AND NORTRIPTYLINE
Marquette General Health System
HLAB/HOL Code |
  | AMIT |
MGH LIS Test No |
  | 1334 |
Schedule |
  | Monday-Friday |
Testing Time |
  | 2-3 Days |
Testing Lab |
  | Quest Valencia |
QORR Test Code |
  | AMIT |
Type |
  | Serum |
Volume |
  | 2.0 (1.0) mL |
Temperature |
  | Ambient, Refrigerated or Frozen |
Preservative |
  |   |
Collection Info |
  | Serum separator tubes are not acceptable. Collect at steady state trough concentration, at least 12 hours after last dose. |
Clinical Utilities
The tricyclics are used to treat depression. Nortriptyline is a breakdown by-product of Amitriptyline. Elimination half-life is 9-46 hours and Nortriptyline is 18-93 hours.
CPT Codes
80152
The CPT codes provided are based on AMA guidelines
and are for informational purposes only. CPT coding is the
sole responsibility of the billing party. Please direct any questions
regarding coding to the payer being billed.
Reference Range Component Information Name Method CPT Code Units Name Method CPT Code Units Name Method CPT Code Units Additional Comments Questions or Comments email support@mgh.org
Reference Lab Home Page
AMITRIPTYLINE
HPLC
80152
Ref Range
N/A
Reflex Reason
NORTRIPTYLINE
HPLC
Ref Range
50-150 ng/mL
Reflex Reason
Collection Notes
AMITRIPTYLINE PLUS NORTRIPTYLINE
HPLC
Ref Range
THERAPEUTIC RANGES for Amitriptyline + Nortriptyline, HPLC:
100 - 250 ng/mL
Reflex Reason
Serum separator tubes are not acceptable; use polypropylene
tubes and ship on cold pack by overnight courier.
Laboratory Main Page
Marquette General Health System Home Page