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 50953-9: Phosphoethanolamine IgM Ql

Name: LOINC Code 50953-9: Phosphoethanolamine IgM Ql
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:35.011Z

50953-9 is a LOINC code used to identify Phosphoethanolamine IgM Ql 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 Phosphoethanolamine Ab.IgM. It is commonly used with the system or sample type Ser/Plas.

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 Phosphoethanolamine Ab.IgM. It is commonly used with the system or sample type Ser/Plas.

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

What it does not mean

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

Key facts

Phosphoethanolamine IgM Ab [Presence] in Serum or Plasma
Phosphoethanolamine Ab.IgM
ABS; Aby; Antby; Anti; Antibodies; Antibody; aPEA; Autoantibodies; Autoantibody; COAGULATION; Hematology; Heme; Immune globulin M; Immunoglobulin M; Ordinal; PEA; PETN; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

Phosphoethanolamine IgM QlPhosphoethanolamine IgM Ab [Presence] in Serum or PlasmaPETN IgM SerPl QlPhosphoethanolamine Ab.IgMCOAGPhosphoethanolamine IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code50953-9

SystemLOINC

Display namePhosphoethanolamine IgM Ql

DescriptionPhosphoethanolamine Ab.IgM

Short namePETN IgM SerPl Ql

ComponentPhosphoethanolamine Ab.IgM

PropertyPrThr

TimingPt

System (specimen)Ser/Plas

ScaleOrd

ClassCOAG

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.56

Consumer names

Phosphoethanolamine IgM antibody, Blood

Part names

Phosphoethanolamine Ab.IgMPrThrPtSer/PlasOrdPhosphoethanolamine IgMPresence or ThresholdPoint in time (spot)Serum or Plasma

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.