LOINCActiveObservation

LOINC Code 18093-5: Aortic valve Orifice area by US.continuity.Vmax+Area

18093-5 is a LOINC code used to identify Aortic valve Orifice area by US.continuity.Vmax+Area 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 Orifice area. It is commonly used with the system or sample type Aortic valve.

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 Orifice area. It is commonly used with the system or sample type Aortic valve.

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.continuity.Vmax+Area

What it does not mean

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

Key facts

  • Aortic valve Orifice area by US.continuity.Vmax+Area
  • Orifice area
  • AO; AoV; AV; AVA; CARD.US; Cardio; Cardiology; Cont; Echography; Heart Disease; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; US.cont VMAX+area

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

Aortic valve Orifice area by US.continuity.Vmax+AreaAV Orifice area US.cont VMAX+areaOrifice areaCARD.USAreaPtAortic valve

Frequently asked questions

Code details

Code18093-5
SystemLOINC
Display nameAortic valve Orifice area by US.continuity.Vmax+Area
DescriptionOrifice area
Short nameAV Orifice area US.cont VMAX+area
ComponentOrifice area
PropertyArea
TimingPt
System (specimen)Aortic valve
ScaleQn
MethodUS.continuity.Vmax+Area
ClassCARD.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.67

Part names

Orifice areaAreaPtAortic valveQnUS.continuity.Vmax+AreaPoint in time (spot)Ultrasound.continuity.Vmax+Area

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 18093-5 | HealthAssure