What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 19314-4: Tricyclic antidepressants tested Screen Nar (U)

Name: LOINC Code 19314-4: Tricyclic antidepressants tested Screen Nar (U)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:28.193Z

19314-4 is a LOINC code used to identify Tricyclic antidepressants tested Screen Nar (U) 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 tested for. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 tested for. It is commonly used with the system or sample type Urine.

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: Observation
Method: Screen

What it does not mean

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

Key facts

Tricyclic antidepressants tested for in Urine by Screen method Narrative
Tricyclic antidepressants tested for
Antidepres; Antidepressant; DRUG/TOXICOLOGY; Drugs; Identity or presence; Narrative; Point in time; Random; Report; Scn; Scr; Scrn; TCA; Tricyclics; Tricyclics Tested; UA; UR; Urn

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 tested Screen Nar (U)Tricyclic antidepressants tested for in Urine by Screen method NarrativeTricyclics Tested Ur ScnTricyclic antidepressants tested forDRUG/TOXTricyclic antidepressants tested, UrinePrid

Frequently asked questions

Code details

Code19314-4

SystemLOINC

Display nameTricyclic antidepressants tested Screen Nar (U)

DescriptionTricyclic antidepressants tested for

Short nameTricyclics Tested Ur Scn

ComponentTricyclic antidepressants tested for

PropertyPrid

TimingPt

System (specimen)Urine

ScaleNar

MethodScreen

ClassDRUG/TOX

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.19

Consumer names

Tricyclic antidepressants tested, Urine

Part names

Tricyclic antidepressants tested forPridPtUrineNarScreenPresence or IdentityPoint in time (spot)Toxicology 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.