LOINCActiveBoth

LOINC Code 51001-6: Iodide (U) [Mass/Vol]

51001-6 is a LOINC code used to identify Iodide (U) [Mass/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 Iodide. 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 Iodide. 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

  • Iodide [Mass/volume] in Urine
  • Iodide
  • Measures potentially toxic exposures. Iodide is actually the ionic form (+2) of iodine, and is found in several products such as eye drops and antiseptics used in surgery, but is not a common suicide or homicide agent. Most poisonings are accidental.
  • DRUG/TOXICOLOGY; Drugs; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Iodide (U) [Mass/Vol]Iodide [Mass/volume] in UrineIodide Ur-mCncIodideDRUG/TOXIodide, UrineMCnc

Frequently asked questions

Code details

Code51001-6
SystemLOINC
Display nameIodide (U) [Mass/Vol]
DescriptionIodide
Short nameIodide Ur-mCnc
ComponentIodide
PropertyMCnc
TimingPt
System (specimen)Urine
ScaleQn
ClassDRUG/TOX
Example unitsug/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.70

Consumer names

Iodide, Urine

Part names

IodideMCncPtUrineQnMass 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 51001-6 | HealthAssure