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 79968-4: Interventricular septum Thickness at end diastole by US.M-mode

Name: LOINC Code 79968-4: Interventricular septum Thickness at end diastole by US.M-mode
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:01.838Z

79968-4 is a LOINC code used to identify Interventricular septum Thickness at end diastole 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 Thickness.end diastole. It is commonly used with the system or sample type Heart.interventricular septum.

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 Thickness.end diastole. It is commonly used with the system or sample type Heart.interventricular septum.

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

Interventricular septum Thickness at end diastole by US.M-mode
Thickness.end diastole
CARD.US; CARD.US.DICOM; Cardiac; Cardio; Cardiology; Dias; Diast; Diastoli; Echography; ED; ED thickness; Heart Disease; Hrt; IS; IVS; IVSd; Length; MM; mmode; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Thick; 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

Interventricular septum Thickness at end diastole by US.M-modeIVS ED thickness M-modeThickness.end diastoleCARD.US.DICOMLenPtHeart.interventricular septum

Frequently asked questions

Code details

Code79968-4

SystemLOINC

Display nameInterventricular septum Thickness at end diastole by US.M-mode

DescriptionThickness.end diastole

Short nameIVS ED thickness M-mode

ComponentThickness.end diastole

PropertyLen

TimingPt

System (specimen)Heart.interventricular septum

ScaleQn

MethodUS.M-mode

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

Thickness.end diastoleLenPtHeart.interventricular septumQnUS.M-modeThickness at end diastoleLengthPoint in time (spot)Heart interventricular septumUltrasound.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.