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 18837-5: Left ventricle Segmental wall appearance by US Narrative

Name: LOINC Code 18837-5: Left ventricle Segmental wall appearance by US Narrative
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:27.591Z

18837-5 is a LOINC code used to identify Left ventricle Segmental wall appearance by US Narrative 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 Segmental wall appearance. 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 Segmental wall appearance. 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
Method: US

What it does not mean

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

Key facts

Left ventricle Segmental wall appearance by US Narrative
Segmental wall appearance
Appear; Appr; CARD.US; Cardiac; Cardio; Cardiology; Echography; Finding; Findings; Heart Disease; Hrt; Hrt ventr; L; LT; LV; Narrative; Point in time; Random; Report; Seg wall appear; Segment; Sonogram; Sonograph; Sonography; 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 ventricle Segmental wall appearance by US NarrativeLV Seg wall appear USSegmental wall appearanceCARD.USFindPtHeart.ventricle.left

Frequently asked questions

Code details

Code18837-5

SystemLOINC

Display nameLeft ventricle Segmental wall appearance by US Narrative

DescriptionSegmental wall appearance

Short nameLV Seg wall appear US

ComponentSegmental wall appearance

PropertyFind

TimingPt

System (specimen)Heart.ventricle.left

ScaleNar

MethodUS

ClassCARD.US

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.40

Part names

Segmental wall appearanceFindPtHeart.ventricle.leftNarUSFindingPoint in time (spot)Heart ventricle - leftUltrasound

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.