LOINC Code 59116-4: Aortic sinotubular junction diameter/Aortic root diameter by US
59116-4 is a LOINC code used to identify Aortic sinotubular junction diameter/Aortic root diameter by US in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Diameter.aortic sinotubular junction/Diameter.aorta root. It is commonly used with the system or sample type Aorta.
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 Diameter.aortic sinotubular junction/Diameter.aorta root. It is commonly used with the system or sample type Aorta.
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
- Method: US
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Aortic sinotubular junction diameter/Aortic root diameter by US
- Diameter.aortic sinotubular junction/Diameter.aorta root
- Aortic Sinotubular Junction diameter divided by Aortic Root diameter
- AO; Aortic; CARD.US; Cardio; Cardiology; DIA; Diam; Diam AO root; Diam AO STJ; Echography; Heart Disease; Length Ratio; OA root; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound
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
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.