LOINCActiveBoth

LOINC Code 50816-8: Arsenic organic (U) [Moles/Vol]

50816-8 is a LOINC code used to identify Arsenic organic (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 Arsenic.organic. 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 Arsenic.organic. 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

  • Arsenic organic [Moles/volume] in Urine
  • Arsenic.organic
  • Arsenic organic; AS; 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

Arsenic organic (U) [Moles/Vol]Arsenic organic [Moles/volume] in UrineArsenic organic Ur-sCncArsenic.organicDRUG/TOXArsenic organic, UrineSCnc

Frequently asked questions

Code details

Code50816-8
SystemLOINC
Display nameArsenic organic (U) [Moles/Vol]
DescriptionArsenic.organic
Short nameArsenic organic Ur-sCnc
ComponentArsenic.organic
PropertySCnc
TimingPt
System (specimen)Urine
ScaleQn
ClassDRUG/TOX
Example unitsumol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.73

Consumer names

Arsenic organic, Urine

Part names

Arsenic.organicSCncPtUrineQnArsenic organicSubstance 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 50816-8 | HealthAssure