LOINCActiveBoth

LOINC Code 12983-3: Volatiles and gases Nom (U)

12983-3 is a LOINC code used to identify Volatiles and gases 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 Volatiles. 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 Volatiles. 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

  • Volatiles and gases [Identifier] in Urine
  • Volatiles
  • Addiction; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Identity or presence; Illicit; Nominal; Point in time; PotentialForAbuse; Random; UA; UR; Urn; Volatile

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

Volatiles and gases Nom (U)Volatiles and gases [Identifier] in UrineVolatiles UrVolatilesDRUG/TOXVolatiles and Gases, UrinePrid

Frequently asked questions

Code details

Code12983-3
SystemLOINC
Display nameVolatiles and gases Nom (U)
DescriptionVolatiles
Short nameVolatiles Ur
ComponentVolatiles
PropertyPrid
TimingPt
System (specimen)Urine
ScaleNom
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

Volatiles and Gases, Urine

Part names

VolatilesPridPtUrineNomVolatiles and gasesPresence 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.