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.

LOINCActiveObservation

LOINC Code 5806-5: Pyrophosphate crystals LM Ql (Urine sed)

Name: LOINC Code 5806-5: Pyrophosphate crystals LM Ql (Urine sed)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:38.758Z

5806-5 is a LOINC code used to identify Pyrophosphate crystals LM Ql (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 Pyrophosphate 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 Pyrophosphate 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: Observation
Method: Microscopy.light

What it does not mean

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

Key facts

Pyrophosphate crystals [Presence] in Urine sediment by Light microscopy
Pyrophosphate crystals
Crys; Cryst; Crystal; Kidney; LM; Micro; Micros; Microscopic; Nephrology; Ordinal; Point in time; PR; Pyrophos Cry; Ql; Qual; Qualitative; Random; Renal; Screen; 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

Pyrophosphate crystals LM Ql (Urine sed)Pyrophosphate crystals [Presence] in Urine sediment by Light microscopyPyrophos Cry UrnS Ql MicroPyrophosphate crystalsUAPyrophosphate crystals, Urine sedimentPrThr

Frequently asked questions

Code details

Code5806-5

SystemLOINC

Display namePyrophosphate crystals LM Ql (Urine sed)

DescriptionPyrophosphate crystals

Short namePyrophos Cry UrnS Ql Micro

ComponentPyrophosphate crystals

PropertyPrThr

TimingPt

System (specimen)Urine sed

ScaleOrd

MethodMicroscopy.light

ClassUA

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.56

Consumer names

Pyrophosphate crystals, Urine sediment

Part names

Pyrophosphate crystalsPrThrPtUrine sedOrdMicroscopy.lightPresence or ThresholdPoint in time (spot)Urine sedimentLight microscopy

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.