LOINC Code 18098-4: Mitral valve Minimum orifice area minor axis 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 Orifice area.minor axis.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.2D

What it does not mean

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

Key facts

• Mitral valve Minimum orifice area minor axis by US 2D
• Orifice area.minor axis.min
• 2D US; CARD.US; Cardio; Cardiology; Echography; Heart Disease; Minimal; minimum; MV; MVA; Point in time; QNT; Quan; Quant; Quantitative; Random; SAX; short axis; 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

Frequently asked questions