What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 93642-7: Right ventricular outflow tract proximal Diameter by US.2D.PSAX

Name: LOINC Code 93642-7: Right ventricular outflow tract proximal Diameter by US.2D.PSAX
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:23.053Z

93642-7 is a LOINC code used to identify Right ventricular outflow tract proximal Diameter by US.2D.PSAX 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 Diameter. It is commonly used with the system or sample type Heart.ventricle.right.outflow tract.proximal.

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 Diameter. It is commonly used with the system or sample type Heart.ventricle.right.outflow tract.proximal.

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.2D.PSAX

What it does not mean

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

Key facts

Right ventricular outflow tract proximal Diameter by US.2D.PSAX
Diameter
2D US; CARD.US; Cardiac; Cardiology; DIA; Diam; Echography; Hrt; Hrt ventr; Length; Point in time; Proximal RVOT; QNT; Quan; Quant; Quantitative; R; Random; RT; RV; RVOT; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Ultrasound - 2-dimensional; Ventricular

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

Right ventricular outflow tract proximal Diameter by US.2D.PSAXProximal RVOT Diam PSAXDiameterCARD.USLenPtHeart.ventricle.right.outflow tract.proximal

Frequently asked questions

Code details

Code93642-7

SystemLOINC

Display nameRight ventricular outflow tract proximal Diameter by US.2D.PSAX

DescriptionDiameter

Short nameProximal RVOT Diam PSAX

ComponentDiameter

PropertyLen

TimingPt

System (specimen)Heart.ventricle.right.outflow tract.proximal

ScaleQn

MethodUS.2D.PSAX

ClassCARD.US

Example unitsmm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.67

Last changed2.67

Part names

DiameterLenPtHeart.ventricle.right.outflow tract.proximalQnUS.2D.PSAXLengthPoint in time (spot)Right ventricular outflow tract proximal

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.