LOINC

LOINC Code 20279-6: Deprecated Orifice.minor axis.min [Area] of Mitral valve US 2D

20279-6 is a LOINC code used to identify Deprecated Orifice.minor axis.min [Area] of Mitral valve US 2D 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 Area orifice. 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 Area orifice. 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: DEPRECATED
  • Method: US.2D

What it does not mean

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

Key facts

  • Deprecated Orifice.minor axis.min [Area] of Mitral valve US 2D
  • Area orifice
  • 2D US; CARD.US; Cardio; Cardiology; Echography; Heart Disease; MV; MVA; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Ultrasound - 2-dimensional

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 Orifice.minor axis.min [Area] of Mitral valve US 2DDeprecatedArea orificeArea orificeCARD.USAreaPtMitral valve

Frequently asked questions

Code details

Code20279-6
SystemLOINC
Display nameDeprecated Orifice.minor axis.min [Area] of Mitral valve US 2D
DescriptionArea orifice
Short nameDeprecatedArea orifice
ComponentArea orifice
PropertyArea
TimingPt
System (specimen)Mitral valve
ScaleQn
MethodUS.2D
ClassCARD.US
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.36

Part names

Area orificeAreaPtMitral valveQnUS.2DPoint in time (spot)Ultrasound 2D

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.