LOINC Code 29466-0: Right atrial Superior-Inferior [Length] by US.2D.A4C

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 Superior-Inferior. It is commonly used with the system or sample type Heart.atrium.right.

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.A4C

What it does not mean

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

Key facts

• Right atrial Superior-Inferior [Length] by US.2D.A4C
• Superior-Inferior
• 2D US; Atrial; CARD.US; Cardiac; Cardio; Cardiology; Echography; Heart Disease; Hrt; Inf; Length; Point in time; QNT; Quan; Quant; Quantitative; R; RA; Random; RT; Sonogram; Sonograph; Sonography; Sup-Inf; 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