LOINC Code 75671-8: CTA Circle of Willis WO and W contrast IV

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^WO & W contrast IV. It is commonly used with the system or sample type Head+Neck>Circle of Willis.

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 Circle of Willis WO and W contrast IV
• Multisection^WO & W contrast IV
• Ang; Angio; Angiography; Angm; Brain; c; CAT scan; Computed tomography; Computerized tomography; Contr; Contra; Contrst; Cranial; Cranium; CT Angiogram; CT angiography; CT scan; CTA; Document; Finding; Findings; Imaging; Intracranial; Point in time; Rad; Radiology; Random; Skull; W contr IV; WC; WO & WC; WO+W contr; WO+W contr IV; WWO

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