LOINCActiveObservation

LOINC Code 11706-9: Aortic valve Peak systolic flow by US.doppler

11706-9 is a LOINC code used to identify Aortic valve Peak systolic flow by US.doppler 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 Blood flow.systolic.max. 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 Blood flow.systolic.max. 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.doppler

What it does not mean

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

Key facts

  • Aortic valve Peak systolic flow by US.doppler
  • Blood flow.systolic.max
  • Maximum value of the Doppler shift frequency envelope. If System is Patient or if System is Fetus or Other but the context is supplied by DICOM Supplement 23-Structured Reporting, Observation Subject context Module (C.6.12).
  • AO; AoV; AV; Bld flow; Bld flow.sys; CARD.US; Cardio; Cardiology; DOP; DUPLEX; Dynamic; Echography; Heart Disease; Largest; Max V; Maximal; Maximum; Peak; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; V max; VEL max; Velocity; Vmax; Vmax sys

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 Peak systolic flow by US.dopplerAV Vmax sys DOPBlood flow.systolic.maxCARD.USVelPtAortic valve

Frequently asked questions

Code details

Code11706-9
SystemLOINC
Display nameAortic valve Peak systolic flow by US.doppler
DescriptionBlood flow.systolic.max
Short nameAV Vmax sys DOP
ComponentBlood flow.systolic.max
PropertyVel
TimingPt
System (specimen)Aortic valve
ScaleQn
MethodUS.doppler
ClassCARD.US
Example unitsm/s; cm/s
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.48

Part names

Blood flow.systolic.maxVelPtAortic valveQnUS.dopplerVelocity (distance/time)Point in time (spot)Ultrasound.doppler

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 11706-9 | HealthAssure