LOINCActiveBoth

LOINC Code 77185-7: Uranium (Dentin) [Mass/Mass]

77185-7 is a LOINC code used to identify Uranium (Dentin) [Mass/Mass] 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 Uranium. It is commonly used with the system or sample type Dentin.

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 Uranium. It is commonly used with the system or sample type Dentin.

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

Uranium [Mass/mass] in Dentin
Uranium
Teeth are good long-term indicators of an individual's nutritional status, and of their environmental exposure to heavy metals such as uranium. [PMID18192333]
DRUG/TOXICOLOGY; Drugs; Mass content; Point in time; QNT; Quan; Quant; Quantitative; Random; U

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

Uranium (Dentin) [Mass/Mass]Uranium [Mass/mass] in DentinUranium Dentin-mCntUraniumDRUG/TOXUranium, DentinMCnt

Frequently asked questions

Code details

Code77185-7
SystemLOINC
Display nameUranium (Dentin) [Mass/Mass]
DescriptionUranium
Short nameUranium Dentin-mCnt
ComponentUranium
PropertyMCnt
TimingPt
System (specimen)Dentin
ScaleQn
ClassDRUG/TOX
Example unitsng/g
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.52

Consumer names

Uranium, Dentin

Part names

UraniumMCntPtDentinQnMass ContentPoint 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 77185-7 | HealthAssure