LOINCActiveObservation

LOINC Code 82594-3: Mitral valve leaflet tip Velocity-time integral (VTI) for the area under E wave by US.doppler

82594-3 is a LOINC code used to identify Mitral valve leaflet tip Velocity-time integral (VTI) for the area under E wave 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 Blood velocity-time integral.E wave. It is commonly used with the system or sample type Mitral valve.leaflet.tip.

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 Blood velocity-time integral.E wave. It is commonly used with the system or sample type Mitral valve.leaflet.tip.

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.doppler

What it does not mean

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

Key facts

  • Mitral valve leaflet tip Velocity-time integral (VTI) for the area under E wave by US.doppler
  • Blood velocity-time integral.E wave
  • Bld vel; CARD.US; Cardio; Cardiology; DOP; DUPLEX; Early wave; Echography; E-wave; Heart Disease; Length; MV; MV leaf tip; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; TVI; ULS; Ultrasound; Vel; VTI; VTI E-wave

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 leaflet tip Velocity-time integral (VTI) for the area under E wave by US.dopplerMV leaf tip VTI E-wave DOPBlood velocity-time integral.E waveCARD.USLenPtMitral valve.leaflet.tip

Frequently asked questions

Code details

Code82594-3
SystemLOINC
Display nameMitral valve leaflet tip Velocity-time integral (VTI) for the area under E wave by US.doppler
DescriptionBlood velocity-time integral.E wave
Short nameMV leaf tip VTI E-wave DOP
ComponentBlood velocity-time integral.E wave
PropertyLen
TimingPt
System (specimen)Mitral valve.leaflet.tip
ScaleQn
MethodUS.doppler
ClassCARD.US
Example unitscm
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.58

Part names

Blood velocity-time integral.E waveLenPtMitral valve.leaflet.tipQnUS.dopplerVelocity-time integral.E-waveLengthPoint in time (spot)Mitral valve leaflet tipUltrasound.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.