What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCBoth

LOINC Code 43503-2: Deprecated Aorta and Lower extremity vessels CT angiogram W contrast IV

Name: LOINC Code 43503-2: Deprecated Aorta and Lower extremity vessels CT angiogram W contrast IV
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:28.588Z

43503-2 is a LOINC code used to identify Deprecated Aorta and Lower extremity vessels CT angiogram W contrast IV 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 Multisection^W contrast IV. It is commonly used with the system or sample type Aorta+Lower extremity vessels.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 Multisection^W contrast IV. It is commonly used with the system or sample type Aorta+Lower extremity vessels.

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: DEPRECATED
Order vs observation: Both
Method: CT.angio

What it does not mean

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

Key facts

Deprecated Aorta and Lower extremity vessels CT angiogram W contrast IV
Multisection^W contrast IV
Ang; Angio; Angiography; Angm; AO; Aorta+LE ves; Aortic; c; CAT scan; Computed tomography; Computerized tomography; Contr; Contra; Contrst; CT Angiogram; CT angiography; CT scan; CTA; Document; EXT; Extr ves; Finding; Findings; Imaging; LE; LE ves; Leg; Low; Point in time; Rad; Radiology; Random; Vesl; Vessels.XXX; W contr IV; WC

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

Deprecated Aorta and Lower extremity vessels CT angiogram W contrast IVDeprecated Aorta+LE ves CT.Angio W contrMultisection^W contrast IVRADFindPtAorta+Lower extremity vessels

Frequently asked questions

Code details

Code43503-2

SystemLOINC

Display nameDeprecated Aorta and Lower extremity vessels CT angiogram W contrast IV

DescriptionMultisection^W contrast IV

Short nameDeprecated Aorta+LE ves CT.Angio W contr

ComponentMultisection^W contrast IV

PropertyFind

TimingPt

System (specimen)Aorta+Lower extremity vessels

ScaleDoc

MethodCT.angio

ClassRAD

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.58

Part names

Multisection^W contrast IVFindPtAorta+Lower extremity vesselsDocCT.angioFindingPoint in time (spot)Aorta and Lower extremity vesselsComputed tomography angio

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.