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LOINC Code 80147-2: Tricyclic antidepressants Screen Ql (Body fld)

80147-2 is a LOINC code used to identify Tricyclic antidepressants Screen Ql (Body fld) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Tricyclic antidepressants. It is commonly used with the system or sample type Body fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Tricyclic antidepressants. It is commonly used with the system or sample type Body fld.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both
  • Method: Screen

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

Tricyclic antidepressants [Presence] in Body fluid by Screen method
Tricyclic antidepressants
Body fluids include gastric, bile, and pleural fluid. Pleural fluid, bile, etc. may be used for medico-legal testing when blood or urine is not available. Tricyclic antidepressants screened for includeamitriptyline, nortriptyline, amoxapine, clomipramine, norclomipramine, désipramine, doxepine, imipramine, maprotiline, and trimipramine
Antidepres; Antidepressant; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; DRUG/TOXICOLOGY; Drugs; Fl; Fld; FLU; Fluid; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn; TCA; Tricyclics

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Tricyclic antidepressants Screen Ql (Body fld)Tricyclic antidepressants [Presence] in Body fluid by Screen methodTricyclics Fld Ql ScnTricyclic antidepressantsDRUG/TOXTricyclic antidepressants, Body fluidPrThr

Frequently asked questions

Code details

Code80147-2
SystemLOINC
Display nameTricyclic antidepressants Screen Ql (Body fld)
DescriptionTricyclic antidepressants
Short nameTricyclics Fld Ql Scn
ComponentTricyclic antidepressants
PropertyPrThr
TimingPt
System (specimen)Body fld
ScaleOrd
MethodScreen
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.58

Consumer names

Tricyclic antidepressants, Body fluid

Part names

Tricyclic antidepressantsPrThrPtBody fldOrdScreenPresence or ThresholdPoint in time (spot)Body fluidToxicology screen

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.