LOINCActive

LOINC Code 8591-0: Central venous pressure (CVP) Mean

8591-0 is a LOINC code used to identify Central venous pressure (CVP) Mean 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 mean. It is commonly used with the system or sample type BldCV.

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 mean. It is commonly used with the system or sample type BldCV.

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

  • Central venous pressure (CVP) Mean
  • Intravascular mean
  • Average; Avg; Blood pressure mean; BLOOD PRESSURE MEASUREMENTS.VENOUS.MOLEC; BP; BP mean; Cardio; Cardiology; Heart Disease; Intravenous; IV; MBP; Point in time; Pressure; QNT; Quan; Quant; Quantitative; Random; Venous

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

Central venous pressure (CVP) MeanCVP meanIntravascular meanBP.VENOUS.MOLECPresPtBldCV

Frequently asked questions

Code details

Code8591-0
SystemLOINC
Display nameCentral venous pressure (CVP) Mean
DescriptionIntravascular mean
Short nameCVP mean
ComponentIntravascular mean
PropertyPres
TimingPt
System (specimen)BldCV
ScaleQn
ClassBP.VENOUS.MOLEC
Example unitsmm Hg
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(3)
Last changed2.70

Part names

Intravascular meanPresPtBldCVQnPressurePoint in time (spot)Blood central venous

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.