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.

LOINCActiveBoth

LOINC Code 105054-1: Crystals Microscopy Nom (Urine sed)

Name: LOINC Code 105054-1: Crystals Microscopy Nom (Urine sed)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.132Z

105054-1 is a LOINC code used to identify Crystals Microscopy Nom (Urine sed) 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 Crystals. It is commonly used with the system or sample type Urine sed.

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 Crystals. It is commonly used with the system or sample type Urine sed.

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
Method: Microscopy

What it does not mean

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

Key facts

Crystals [type] in Urine sediment by Microscopy
Crystals
Crys; Cryst; Crystal; Identity or presence; Micro; Micros; Microscopic; Nominal; Point in time; Random; UA; UR; URINALYSIS; Urine sediment; Urn; UrnS

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

Crystals Microscopy Nom (Urine sed)Crystals [type] in Urine sediment by MicroscopyCrystals UrnS MicroCrystalsUACrystals, Urine sedimentPrid

Frequently asked questions

Code details

Code105054-1

SystemLOINC

Display nameCrystals Microscopy Nom (Urine sed)

DescriptionCrystals

Short nameCrystals UrnS Micro

ComponentCrystals

PropertyPrid

TimingPt

System (specimen)Urine sed

ScaleNom

MethodMicroscopy

ClassUA

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.78

Last changed2.78

Consumer names

Crystals, Urine sediment

Part names

CrystalsPridPtUrine sedNomMicroscopyPresence or IdentityPoint in time (spot)Urine sediment

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.