What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveOrder

LOINC Code 55118-4: Centers for Environmental Health trace metals panel (U) [Mass/Vol]

Name: LOINC Code 55118-4: Centers for Environmental Health trace metals panel (U) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:37.143Z

55118-4 is a LOINC code used to identify Centers for Environmental Health trace metals panel (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 CEH trace metals panel. 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 CEH trace metals panel. 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: Order
Panel type: Panel

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Centers for Environmental Health trace metals panel [Mass/volume] - Urine
CEH trace metals panel
CEH trace metals Pnl; Centers for Environmental Health; DRUG/TOXICOLOGY; Drugs; Level; Mass concentration; Metal; Pan; PANEL.DRUG & TOXICOLOGY; Panl; Pnl; Point in time; 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

Centers for Environmental Health trace metals panel (U) [Mass/Vol]Centers for Environmental Health trace metals panel [Mass/volume] - UrineCEH trace metals Pnl Ur-mCncCEH trace metals panelPANEL.DRUG/TOXCenters for environmental health trace metals panel, UrineMCnc

Frequently asked questions

Code details

Code55118-4

SystemLOINC

Display nameCenters for Environmental Health trace metals panel (U) [Mass/Vol]

DescriptionCEH trace metals panel

Short nameCEH trace metals Pnl Ur-mCnc

ComponentCEH trace metals panel

PropertyMCnc

TimingPt

System (specimen)Urine

Scale-

ClassPANEL.DRUG/TOX

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.27

Last changed2.42

Consumer names

Centers for environmental health trace metals panel, Urine

Part names

CEH trace metals panelMCncPtUrine-Centers for Environmental Health trace metals panelMass 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.