LOINCActiveBoth

LOINC Code 72924-4: Barium (U) [Moles/Vol]

72924-4 is a LOINC code used to identify Barium (U) [Moles/Vol] 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 Barium. It is commonly used with the system or sample type Urine.

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 Barium. 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

  • Barium [Moles/volume] in Urine
  • Barium
  • Levels of barium in the urine are measured to determine recent exposure in the workplace, for example.
  • Ba; DRUG/TOXICOLOGY; Drugs; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance concentration; 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

Barium (U) [Moles/Vol]Barium [Moles/volume] in UrineBarium Ur-sCncBariumDRUG/TOXBarium, UrineSCnc

Frequently asked questions

Code details

Code72924-4
SystemLOINC
Display nameBarium (U) [Moles/Vol]
DescriptionBarium
Short nameBarium Ur-sCnc
ComponentBarium
PropertySCnc
TimingPt
System (specimen)Urine
ScaleQn
ClassDRUG/TOX
Example unitsnmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.44
Last changed2.44

Consumer names

Barium, Urine

Part names

BariumSCncPtUrineQnSubstance ConcentrationPoint 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 72924-4 | HealthAssure