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.

LOINCActiveBoth

LOINC Code 36144-4: CTA Aortic arch W contrast IV

Name: LOINC Code 36144-4: CTA Aortic arch W contrast IV
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:23.500Z

36144-4 is a LOINC code used to identify CTA Aortic arch 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 Chest>Aortic arch.

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 Chest>Aortic arch.

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: Both
Method: CT.angio

What it does not mean

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

Key facts

CTA Aortic arch W contrast IV
Multisection^W contrast IV
Ac arch; Ang; Angio; Angiography; Angm; AO; Ao arch; c; Cardio; Cardiology; CAT scan; Computed tomography; Computerized tomography; Contr; Contra; Contrst; CT Angiogram; CT angiography; CT scan; CTA; Document; Finding; Findings; Heart Disease; Imaging; Point in time; Rad; RADIOLOGY; Random; Thorax; 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

CTA Aortic arch W contrast IVCTA Ao arch W contr IVMultisection^W contrast IVRADFindPtChest>Aortic arch

Frequently asked questions

Code details

Code36144-4

SystemLOINC

Display nameCTA Aortic arch W contrast IV

DescriptionMultisection^W contrast IV

Short nameCTA Ao arch W contr IV

ComponentMultisection^W contrast IV

PropertyFind

TimingPt

System (specimen)Chest>Aortic arch

ScaleDoc

MethodCT.angio

ClassRAD

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.14

Last changed2.61

Part names

Multisection^W contrast IVFindPtChest>Aortic archDocCT.angioAortic archChestCTAngioIVContrastWFindingPoint in time (spot)Computed tomography angioIntravenous

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.