LOINCActiveObservation

LOINC Code 19304-5: Thiazides tested Screen Nom (U)

19304-5 is a LOINC code used to identify Thiazides tested Screen Nom (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 Thiazides 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 Thiazides 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

  • Thiazides tested for in Urine by Screen method Nominal
  • Thiazides tested for
  • DRUG/TOXICOLOGY; Drugs; Identity or presence; Nominal; Point in time; Random; Scn; Scr; Scrn; 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

Thiazides tested Screen Nom (U)Thiazides tested for in Urine by Screen method NominalThiazides Tested Ur ScnThiazides tested forDRUG/TOXThiazides tested, UrinePrid

Frequently asked questions

Code details

Code19304-5
SystemLOINC
Display nameThiazides tested Screen Nom (U)
DescriptionThiazides tested for
Short nameThiazides Tested Ur Scn
ComponentThiazides tested for
PropertyPrid
TimingPt
System (specimen)Urine
ScaleNom
MethodScreen
ClassDRUG/TOX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.19

Consumer names

Thiazides tested, Urine

Part names

Thiazides tested forPridPtUrineNomScreenPresence 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.

LOINC Code 19304-5 | HealthAssure