LOINCActive

LOINC Code 8404-6: Left ventricular Intrachamber mean pressure

8404-6 is a LOINC code used to identify Left ventricular Intrachamber mean 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 Intrachamber mean. 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 Intrachamber mean. 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 Intrachamber mean pressure
  • Intrachamber mean
  • Average; Avg; Blood pressure mean; BLOOD PRESSURE MEASUREMENTS.CENTRAL.MOLEC; BP mean; Cardiac; Cardio; Cardiology; Heart Disease; Hrt; Hrt ventr; Intrachamber mean pres; Intrachamber pres; L; LT; LV; MBP; 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 Intrachamber mean pressureLV Intrachamber mean presIntrachamber meanBP.CENT.MOLECPresPtHeart.ventricle.left

Frequently asked questions

Code details

Code8404-6
SystemLOINC
Display nameLeft ventricular Intrachamber mean pressure
DescriptionIntrachamber mean
Short nameLV Intrachamber mean pres
ComponentIntrachamber mean
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

Intrachamber meanPresPtHeart.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.

LOINC Code 8404-6 | HealthAssure