LOINC Code 20307-5: Right ventricular outflow tract Diameter by US 2D

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.

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

What it does not mean

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

Key facts

• Right ventricular outflow tract Diameter by US 2D
• Diameter
• 2D US; CARD.US; Cardiac; Cardio; Cardiology; DIA; Diam; Echography; Heart Disease; Hrt; Hrt ventr; Length; Point in time; 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

Frequently asked questions