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 17997-8: Anterior mitral valve leaflet D-E excursion [Length] by US.M-mode

Name: LOINC Code 17997-8: Anterior mitral valve leaflet D-E excursion [Length] by US.M-mode
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:27.584Z

17997-8 is a LOINC code used to identify Anterior mitral valve leaflet D-E excursion [Length] by US.M-mode 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 D-E excursion. It is commonly used with the system or sample type Mitral valve.leaflet.anterior.

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 D-E excursion. It is commonly used with the system or sample type Mitral valve.leaflet.anterior.

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.M-mode

What it does not mean

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

Key facts

Anterior mitral valve leaflet D-E excursion [Length] by US.M-mode
D-E excursion
AML; CARD.US; Cardio; Cardiology; Dextro; Echography; Heart Disease; Length; MM; mmode; MV; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound

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

Anterior mitral valve leaflet D-E excursion [Length] by US.M-modeAML D-E excursion M-modeD-E excursionCARD.USLenPtMitral valve.leaflet.anterior

Frequently asked questions

Code details

Code17997-8

SystemLOINC

Display nameAnterior mitral valve leaflet D-E excursion [Length] by US.M-mode

DescriptionD-E excursion

Short nameAML D-E excursion M-mode

ComponentD-E excursion

PropertyLen

TimingPt

System (specimen)Mitral valve.leaflet.anterior

ScaleQn

MethodUS.M-mode

ClassCARD.US

Example unitsmm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.54

Part names

D-E excursionLenPtMitral valve.leaflet.anteriorQnUS.M-modeLengthPoint in time (spot)Mitral valve leaflet anteriorUltrasound.M-mode

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.