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 20221-8: Ventricular Ejection time by US.doppler

Name: LOINC Code 20221-8: Ventricular Ejection time by US.doppler
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:28.846Z

20221-8 is a LOINC code used to identify Ventricular Ejection time 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 Ejection time. 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 Ejection time. 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
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

Ventricular Ejection time by US.doppler
Ejection time
Time (Dop)
CARD.US; Cardiac; Cardio; Cardiology; DOP; DUPLEX; Echography; Heart Disease; Hrt; Hrt ventr; Misc; Miscellaneous; Other; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Spec; 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 Ejection time by US.dopplerHrt ventr Ejection time DOPEjection timeCARD.USTimePtHeart.ventricle.XXX

Frequently asked questions

Code details

Code20221-8

SystemLOINC

Display nameVentricular Ejection time by US.doppler

DescriptionEjection time

Short nameHrt ventr Ejection time DOP

ComponentEjection time

PropertyTime

TimingPt

System (specimen)Heart.ventricle.XXX

ScaleQn

MethodUS.doppler

ClassCARD.US

Example unitsms

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0m

Last changed2.54

Part names

Ejection timeTimePtHeart.ventricle.XXXQnUS.dopplerTime (e.g. seconds)Point in time (spot)Heart ventricle XXXUltrasound.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.