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 80052-4: Mitral valve annulus Diameter at end diastole by US.2D.PLAX

Name: LOINC Code 80052-4: Mitral valve annulus Diameter at end diastole by US.2D.PLAX
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:01.839Z

80052-4 is a LOINC code used to identify Mitral valve annulus Diameter at end diastole by US.2D.PLAX 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 Diameter.end diastole. It is commonly used with the system or sample type Mitral valve.annulus.

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 Diameter.end diastole. It is commonly used with the system or sample type Mitral valve.annulus.

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: US.2D.PLAX

What it does not mean

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

Key facts

Mitral valve annulus Diameter at end diastole by US.2D.PLAX
Diameter.end diastole
2D US; CARD.US; CARD.US.DICOM; Cardio; Cardiology; DIA; Diam; Dias; Diast; Diastoli; Echography; ED; ED diameter; Heart Disease; Length; MV; MV ann; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Ultrasound - 2-dimensional

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

Mitral valve annulus Diameter at end diastole by US.2D.PLAXMV ann ED diameter PLAXDiameter.end diastoleCARD.US.DICOMLenPtMitral valve.annulus

Frequently asked questions

Code details

Code80052-4

SystemLOINC

Display nameMitral valve annulus Diameter at end diastole by US.2D.PLAX

DescriptionDiameter.end diastole

Short nameMV ann ED diameter PLAX

ComponentDiameter.end diastole

PropertyLen

TimingPt

System (specimen)Mitral valve.annulus

ScaleQn

MethodUS.2D.PLAX

ClassCARD.US.DICOM

Example unitscm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.54

Part names

Diameter.end diastoleLenPtMitral valve.annulusQnUS.2D.PLAXDiameter at end diastoleLengthPoint in time (spot)Mitral valve annulus

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.