LOINCActiveObservation

LOINC Code 20301-8: Right ventricular Pre ejection time by US

20301-8 is a LOINC code used to identify Right ventricular Pre ejection time by US 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 Pre ejection time. It is commonly used with the system or sample type Heart.ventricle.right.

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 Pre ejection time. It is commonly used with the system or sample type Heart.ventricle.right.

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

What it does not mean

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

Key facts

  • Right ventricular Pre ejection time by US
  • Pre ejection time
  • Before; CARD.US; Cardiac; Cardio; Cardiology; Echography; Heart Disease; Hrt; Hrt ventr; PEP; Point in time; Pre eject time; QNT; Quan; Quant; Quantitative; R; Random; RT; RV; RVPEP; 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

Right ventricular Pre ejection time by USRV Pre eject time USPre ejection timeCARD.USTimePtHeart.ventricle.right

Frequently asked questions

Code details

Code20301-8
SystemLOINC
Display nameRight ventricular Pre ejection time by US
DescriptionPre ejection time
Short nameRV Pre eject time US
ComponentPre ejection time
PropertyTime
TimingPt
System (specimen)Heart.ventricle.right
ScaleQn
MethodUS
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

Pre ejection timeTimePtHeart.ventricle.rightQnUSTime (e.g. seconds)Point in time (spot)Heart.ventricle RightUltrasound

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.

LOINC Code 20301-8 | HealthAssure