LOINC Code 20249-9: Aortic valve Maximum regurgitant pressure gradient by US+Calculated

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 Regurgitant pressure gradient.max. It is commonly used with the system or sample type Aortic 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+Calculated

What it does not mean

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

Key facts

• Aortic valve Maximum regurgitant pressure gradient by US+Calculated
• Regurgitant pressure gradient.max
• AO; AoV; AV; Calc; Calculation; CARD.US; Cardio; Cardiology; Echography; Grad; Heart Disease; Largest; Max regurg press gradient; Maximal; Maximum; Peak; Peak press grad; Point in time; Press grad; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; US Calc

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