LOINC Code 79975-9: Left atrial Minor axis at end systole [Length] 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 Minor axis.end systole. It is commonly used with the system or sample type Heart.atrium.left.

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

• Left atrial Minor axis at end systole [Length] by US 2D
• Minor axis.end systole
• 2D US; Atrial; CARD.US; CARD.US.DICOM; Cardiac; Cardio; Cardiology; Echography; ES; ES minor axis; Heart Disease; Hrt; L; LA; Length; LT; Point in time; QNT; Quan; Quant; Quantitative; Random; SAX; short axis; Sonogram; Sonograph; Sonography; Sys; Syst; 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