LOINC Code 77907-4: Left atrial End-systolic volume/Body surface area [Volume/Area] by US.2D+Calculated by area-length method

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 End-systolic volume/Body surface area. 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+Calculated by area-length method

What it does not mean

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

Key facts

• Left atrial End-systolic volume/Body surface area [Volume/Area] by US.2D+Calculated by area-length method
• End-systolic volume/Body surface area
• 2D US; Atrial; Bdy surface; bod; Bodies; BSA; Calc; Calculation; CARD.US; Cardiac; Cardio; Cardiology; Echography; ES vol; Heart Disease; Hrt; L; LA; LAA; LAVI; Left Atrial Volume Index; LT; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Surf; ULS; Ultrasound; Ultrasound - 2-dimensional; US.2D+A-L; Vol; Volume/area

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