LOINCActiveObservation

LOINC Code 18097-6: Mitral valve Minimum orifice area by US.doppler pressure half time

18097-6 is a LOINC code used to identify Mitral valve Minimum orifice area by US.doppler pressure half time 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.min. It is commonly used with the system or sample type Mitral 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.min. It is commonly used with the system or sample type Mitral 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.pressure half time

What it does not mean

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

Key facts

  • Mitral valve Minimum orifice area by US.doppler pressure half time
  • Orifice area.min
  • CARD.US; Cardio; Cardiology; DOP; DOP PHT; DUPLEX; Echography; Heart Disease; Minimal; minimum; MV; MVA; Orifice area min; P1/2T; PHT; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; T1/2; 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

Mitral valve Minimum orifice area by US.doppler pressure half timeMV Orifice area min DOP PHTOrifice area.minCARD.USAreaPtMitral valve

Frequently asked questions

Code details

Code18097-6
SystemLOINC
Display nameMitral valve Minimum orifice area by US.doppler pressure half time
DescriptionOrifice area.min
Short nameMV Orifice area min DOP PHT
ComponentOrifice area.min
PropertyArea
TimingPt
System (specimen)Mitral valve
ScaleQn
MethodUS.doppler.pressure half time
ClassCARD.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Orifice area.minAreaPtMitral valveQnUS.doppler.pressure half timeOrifice area minimumPoint in time (spot)Ultrasound.doppler.pressure half time

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 18097-6 | HealthAssure