Yale New Haven Hospital

Department of Laboratory Medicine
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Tricyclic antidepressant screen

Lab Section: 

Chemistry

 

Lab Location: 

Main Lab

Test ID: 

LAB3581

 

Methodology: 

EMIT

Schedule: 

On request

Reported: 

1 hour for STAT orders; 4 hours for Routine orders

Specimen Requirements: 

Collection: 3.0 mL Primary Light Green; Dark Green and Gold Top Tube accepted.
Pediatric volume: 0.5 mL (Serum or Plasma)
Not for monitoring . Collection time required

 

Notes: 

Reports total Amitriptyline, Nortriptyline, Imipramine, Desipramine, and 50% of Doxepin, Desmethyldoxepin, Clomipramine, and Desmethylclomipramine. Assay does not detect Amoxapine, Fluoxetine, Maprotiline, or Trazodone. Some Phenothiazines cross-react. Also part of Overdose Panel. Can be added if less than 12 hours from time collected.

Reference Interval: 

<25 ng/mL >

Tests in this Panel: 

Test Name

Reference Interval

TCA Screen [LRR16498]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

<150

150-300

300-500

500-1000

>1000

CPT Code(s): 

80307

Last Changed: 

7/2/2018 3:09 PM

Last Reviewed: 

8/29/2017 8:28 AM