LOINCObservation

LOINC Code 18063-8: Deprecated Aortic valve Mean systole gradient [Pressure] by US.doppler+Calculated by simplified Bernoulli

18063-8 is a LOINC code used to identify Deprecated Aortic valve Mean systole gradient [Pressure] by US.doppler+Calculated by simplified Bernoulli 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 Gradient.systole.mean. 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 Gradient.systole.mean. 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: DEPRECATED
  • Order vs observation: Observation
  • Method: US.doppler+Calculated by simplified Bernoulli

What it does not mean

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

Key facts

  • Deprecated Aortic valve Mean systole gradient [Pressure] by US.doppler+Calculated by simplified Bernoulli
  • Gradient.systole.mean
  • AO; AoV; AV; Average; Avg; Calc; Calculation; CARD.US; Cardio; Cardiology; DOP; DUPLEX; Echography; Gradient sys; Heart Disease; Mean grad systole; PG; Point in time; Pressure; QNT; Quan; Quant; Quantitative; Random; Simp Bern; Sonogram; Sonograph; Sonography; Sys; Sys.mean; Syst; ULS; Ultrasound

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

Deprecated Aortic valve Mean systole gradient [Pressure] by US.doppler+Calculated by simplified BernoulliDeprecated AV Mean grad systole Simp BernGradient.systole.meanCARD.USPresPtAortic valve

Frequently asked questions

Code details

Code18063-8
SystemLOINC
Display nameDeprecated Aortic valve Mean systole gradient [Pressure] by US.doppler+Calculated by simplified Bernoulli
DescriptionGradient.systole.mean
Short nameDeprecated AV Mean grad systole Simp Bern
ComponentGradient.systole.mean
PropertyPres
TimingPt
System (specimen)Aortic valve
ScaleQn
MethodUS.doppler+Calculated by simplified Bernoulli
ClassCARD.US
Example unitsmm Hg
StatusDEPRECATED
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Gradient.systole.meanPresPtAortic valveQnUS.doppler+Calculated by simplified BernoulliMean systole gradientPressurePoint in time (spot)Ultrasound.doppler.derived.simplified Bernoulli

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 18063-8 | HealthAssure