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.

LOINCActive

LOINC Code 59099-2: Ventricular Myocardial performance index (Tei) by US

Name: LOINC Code 59099-2: Ventricular Myocardial performance index (Tei) by US
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:39.743Z

59099-2 is a LOINC code used to identify Ventricular Myocardial performance index (Tei) by US 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.XXX.

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.XXX.

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
Method: US

What it does not mean

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

Key facts

Ventricular Myocardial performance index (Tei) by US
Myocardial performance index
Index of myocardium performance or Tei index for both left and right ventricular duration.
CARD.US; Cardiac; Cardio; Cardiology; Echography; Heart Disease; Hrt; Hrt ventr; Misc; Miscellaneous; MPI; Other; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Spec; Tei; Time ratio; To be specified in another part of the message; ULS; Ultrasound; Unspecified; 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

Ventricular Myocardial performance index (Tei) by USHrt ventr MPI USMyocardial performance indexCARD.USTRtoPtHeart.ventricle.XXX

Frequently asked questions

Code details

Code59099-2

SystemLOINC

Display nameVentricular Myocardial performance index (Tei) by US

DescriptionMyocardial performance index

Short nameHrt ventr MPI US

ComponentMyocardial performance index

PropertyTRto

TimingPt

System (specimen)Heart.ventricle.XXX

ScaleQn

MethodUS

ClassCARD.US

Example unitsratio;index

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.32

Last changed2.69

Part names

Myocardial performance indexTRtoPtHeart.ventricle.XXXQnUSTime RatioPoint in time (spot)Heart ventricle XXXUltrasound

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.