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 8391-5: Left ventricular End diastolic blood pressure

Name: LOINC Code 8391-5: Left ventricular End diastolic blood pressure
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:10.309Z

8391-5 is a LOINC code used to identify Left ventricular End diastolic blood pressure 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 Intravascular end diastolic. 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 Intravascular end diastolic. 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

What it does not mean

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

Key facts

Left ventricular End diastolic blood pressure
Intravascular end diastolic
Blood pressure; Blood pressure diastolic; BLOOD PRESSURE MEASUREMENTS.CENTRAL.MOLEC; BP; BP diastolic; BP end dias; Cardiac; Cardio; Cardiology; DBP; Dias; Dias BP; Diast; Diastoli; ED; Heart Disease; Hrt; Hrt ventr; Intravenous; IV; L; LT; LV; Point in time; Pressure; QNT; Quan; Quant; Quantitative; Random; 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 ventricular End diastolic blood pressureLV BP end diasIntravascular end diastolicBP.CENT.MOLECPresPtHeart.ventricle.left

Frequently asked questions

Code details

Code8391-5

SystemLOINC

Display nameLeft ventricular End diastolic blood pressure

DescriptionIntravascular end diastolic

Short nameLV BP end dias

ComponentIntravascular end diastolic

PropertyPres

TimingPt

System (specimen)Heart.ventricle.left

ScaleQn

ClassBP.CENT.MOLEC

Example unitsmm Hg

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0h(2)

Last changed2.40

Part names

Intravascular end diastolicPresPtHeart.ventricle.leftQnPressurePoint in time (spot)Heart ventricle - left

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.