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 53973-4: RBC.ghost cells LM Ql (Urine sed)

Name: LOINC Code 53973-4: RBC.ghost cells LM Ql (Urine sed)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:36.581Z

53973-4 is a LOINC code used to identify RBC.ghost cells 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 Erythrocytes.ghost cells. 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 Erythrocytes.ghost cells. 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

Erythrocytes.ghost cells [Presence] in Urine sediment by Light microscopy
Erythrocytes.ghost cells
Cell; Cellularity; Discocytes; Erthrocyte; Erythrocyte; Kidney; LM; Micro; Micros; Microscopic; Nephrology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RBC; RBCGhost; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; 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

RBC.ghost cells LM Ql (Urine sed)Erythrocytes.ghost cells [Presence] in Urine sediment by Light microscopyRBCGhost UrnS Ql MicroErythrocytes.ghost cellsUARed blood cell ghost cells, Urine sedimentPrThr

Frequently asked questions

Code details

Code53973-4

SystemLOINC

Display nameRBC.ghost cells LM Ql (Urine sed)

DescriptionErythrocytes.ghost cells

Short nameRBCGhost UrnS Ql Micro

ComponentErythrocytes.ghost cells

PropertyPrThr

TimingPt

System (specimen)Urine sed

ScaleOrd

MethodMicroscopy.light

ClassUA

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.26

Last changed2.56

Consumer names

Red blood cell ghost cells, Urine sediment

Part names

Erythrocytes.ghost cellsPrThrPtUrine 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.