LOINCActive

LOINC Code 8490-5: Systolic blood pressure 24 hour mean

8490-5 is a LOINC code used to identify Systolic blood pressure 24 hour 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 systolic. It is commonly used with the system or sample type Arterial system.

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 systolic. It is commonly used with the system or sample type Arterial system.

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

  • Systolic blood pressure 24 hour mean
  • Intravascular systolic
  • 1 day; 24 hours; 24HR; Art sys; Average; Avg; Blood pressure; Blood pressure mean; BLOOD PRESSURE MEASUREMENTS.TIMED.MOLEC; Blood pressure systolic; BP; BP mean; BP sys; BP systolic; Cardio; Cardiology; Heart Disease; Intravenous; IV; MBP; Pressure; QNT; Quan; Quant; Quantitative; SBP; Sys BP

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

Systolic blood pressure 24 hour meanBP sys 24h MeanIntravascular systolicBP.TIMED.MOLECPres24H^meanArterial system

Frequently asked questions

Code details

Code8490-5
SystemLOINC
Display nameSystolic blood pressure 24 hour mean
DescriptionIntravascular systolic
Short nameBP sys 24h Mean
ComponentIntravascular systolic
PropertyPres
Timing24H^mean
System (specimen)Arterial system
ScaleQn
ClassBP.TIMED.MOLEC
Example unitsmm Hg
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(3)
Last changed2.40

Part names

Intravascular systolicPres24H^meanArterial systemQnPressure

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.