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 81393-1: Left ventricular Myocardial performance index (Tei) by US.doppler

Name: LOINC Code 81393-1: Left ventricular Myocardial performance index (Tei) by US.doppler
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:05.775Z

81393-1 is a LOINC code used to identify Left ventricular Myocardial performance index (Tei) by US.doppler 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 Myocardial performance index. It is commonly used with the system or sample type Heart.ventricle.left.

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 Myocardial performance index. It is commonly used with the system or sample type Heart.ventricle.left.

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
Method: US.doppler

What it does not mean

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

Key facts

Left ventricular Myocardial performance index (Tei) by US.doppler
Myocardial performance index
CARD.US; Cardiac; Cardio; Cardiology; DOP; DUPLEX; Echography; Heart Disease; Hrt; Hrt ventr; L; LT; LV; MPI; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Tei; Time ratio; ULS; Ultrasound; Ventricular

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

Left ventricular Myocardial performance index (Tei) by US.dopplerLV MPI DOPMyocardial performance indexCARD.USTRtoPtHeart.ventricle.left

Frequently asked questions

Code details

Code81393-1

SystemLOINC

Display nameLeft ventricular Myocardial performance index (Tei) by US.doppler

DescriptionMyocardial performance index

Short nameLV MPI DOP

ComponentMyocardial performance index

PropertyTRto

TimingPt

System (specimen)Heart.ventricle.left

ScaleQn

MethodUS.doppler

ClassCARD.US

Example unitsratio

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.56

Last changed2.71

Part names

Myocardial performance indexTRtoPtHeart.ventricle.leftQnUS.dopplerTime RatioPoint in time (spot)Heart ventricle - leftUltrasound.doppler

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.