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 99919-3: Amorphous sediment Auto (Urine sed) [#/Area]

Name: LOINC Code 99919-3: Amorphous sediment Auto (Urine sed) [#/Area]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:34.291Z

99919-3 is a LOINC code used to identify Amorphous sediment Auto (Urine sed) [#/Area] 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 Amorphous sediment. 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 Amorphous sediment. 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: Automated count

What it does not mean

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

Key facts

Amorphous sediment [#/area] in Urine sediment by Automated count
Amorphous sediment
#/area; AM; Amorph; Amorph Sed; Amorphic; Auto; Automated detection; Elec; Elect; Electr; Number areic; Point in time; QNT; Quan; Quant; Quantitative; 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

Amorphous sediment Auto (Urine sed) [#/Area]Amorphous sediment [#/area] in Urine sediment by Automated countAmorph Sed #/area UrnS AutoAmorphous sedimentUAAmorphous sediment, Urine sedimentNaric

Frequently asked questions

Code details

Code99919-3

SystemLOINC

Display nameAmorphous sediment Auto (Urine sed) [#/Area]

DescriptionAmorphous sediment

Short nameAmorph Sed #/area UrnS Auto

ComponentAmorphous sediment

PropertyNaric

TimingPt

System (specimen)Urine sed

ScaleQn

MethodAutomated count

ClassUA

Example unitsp/HPF

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Consumer names

Amorphous sediment, Urine sediment

Part names

Amorphous sedimentNaricPtUrine sedQnAutomated countNumber Areic (per area)Point 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.