LOINCActiveBoth

LOINC Code 32148-9: Toxic substance identified Nom (U)

32148-9 is a LOINC code used to identify Toxic substance identified 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 Substance.toxic. 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 Substance.toxic. 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: Both

What it does not mean

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

Key facts

  • Toxic substance identified in Urine
  • Substance.toxic
  • DRUG/TOXICOLOGY; Drugs; Identity or presence; Nominal; Point in time; Random; Subs; Toxic substance; 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

Toxic substance identified Nom (U)Toxic substance identified in UrineToxic substance UrSubstance.toxicDRUG/TOXToxic substance test, UrinePrid

Frequently asked questions

Code details

Code32148-9
SystemLOINC
Display nameToxic substance identified Nom (U)
DescriptionSubstance.toxic
Short nameToxic substance Ur
ComponentSubstance.toxic
PropertyPrid
TimingPt
System (specimen)Urine
ScaleNom
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.79

Consumer names

Toxic substance test, Urine

Part names

Substance.toxicPridPtUrineNomToxic substancePresence or IdentityPoint in time (spot)

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 32148-9 | HealthAssure