ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group B325 includes procedures performed to image the common carotid arteries, bilateral using computerized tomography. These ICD-10-PCS codes are used for inpatient documentation when computed tomography with computer reformatted multiplanar images is performed to evaluate bilateral common carotid artery anatomy or disease. Accurate coding within the ICD-10-PCS B325 group is essential for proper inpatient reimbursement, as it captures the imaging procedure performed and supports clinical documentation accuracy.

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Common Carotid Arteries Computerized Tomography Procedure Overview

This procedure group includes computerized tomography imaging of the common carotid arteries, bilateral, within the upper arteries body system. These procedures use computer reformatted multiplanar images developed from multiple external ionizing radiation exposures to visualize vessel anatomy and pathology. Accurate ICD-10-PCS coding matters because it documents the imaging procedure performed and supports appropriate inpatient reimbursement and clinical record integrity.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
3	Body System	Upper Arteries
2	Operation	Computerized Tomography (CT Scan)
5	Body Part	Common Carotid Arteries, Bilateral

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ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview

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Common Carotid Arteries Computerized Tomography Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
3	Body System	Upper Arteries
2	Operation	Computerized Tomography (CT Scan)
5	Body Part	Common Carotid Arteries, Bilateral

When to Use

Use a code from this group when bilateral common carotid artery computerized tomography with computer reformatted multiplanar images is performed during an inpatient stay. Typical clinical circumstances include evaluation of suspected carotid artery disease, stenosis, dissection, or preoperative vascular assessment.

ICD-10-PCS Codes

5 rows

ICD-10-PCS Code	Description
B3250ZZ	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries using High Osmolar Contrast
B3251ZZ	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries using Low Osmolar Contrast
B325YZZ	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries using Other Contrast
B325Z2Z	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries using Intravascular Optical Coherence
B325ZZZ	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries

Typical Clinical Scenarios

An older adult with acute onset focal neurologic deficits suspicious for ischemic stroke is admitted for inpatient evaluation to determine carotid source of embolism; noninvasive vascular imaging is needed to assess bilateral common carotid artery stenosis and plaque morphology using contrast-enhanced CT with reformatted multiplanar images to guide urgent management and possible intervention. Typical codes: B3251ZZ, B3250ZZ
A middle-aged patient with progressive transient ischemic attacks and known peripheral vascular disease is admitted for preoperative vascular assessment prior to planned carotid revascularization; high-resolution contrast CT of the bilateral common carotid arteries with computer-reformatted multiplanar images is performed to delineate bilateral carotid anatomy and surgical planning. Typical codes: B3251ZZ, B325YZZ
A trauma patient involved in a motor vehicle collision is admitted for evaluation of suspected blunt cerebrovascular injury with concern for carotid dissection; inpatient CT imaging with multiphasic, reformatted views of the bilateral common carotid arteries—potentially using intravascular-enhanced imaging techniques—is obtained urgently to evaluate vessel integrity and guide acute management. Typical codes: B325Z2Z, B325ZZZ

ICD-10-PCS Code For Thoracic Aorta: Procedure Code Group Overview

B328-INTERNAL-CAROTID-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Internal Carotid Arteries: Procedure Code Group Overview

B32G-VERTEBRAL-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Vertebral Arteries: Procedure Code Group Overview

B32R-INTRACRANIAL-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Intracranial Arteries: Procedure Code Group Overview

B32S-PULMONARY-ARTERY-COMPUTED-TOMOGRAPHY

ICD-10-PCS Code For Pulmonary Artery, Right: Procedure Code Group Overview

B32T-PULMONARY-ARTERY-LEFT-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Pulmonary Artery, Left: Procedure Code Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

5 rows

ICD-10-PCS Code	Description
B3250ZZ	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries using High Osmolar Contrast
B3251ZZ	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries using Low Osmolar Contrast
B325YZZ	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries using Other Contrast
B325Z2Z	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries using Intravascular Optical Coherence
B325ZZZ	Computerized Tomography (CT Scan) of Bilateral Common Carotid Arteries

Typical Clinical Scenarios

An older adult with acute onset focal neurologic deficits suspicious for ischemic stroke is admitted for inpatient evaluation to determine carotid source of embolism; noninvasive vascular imaging is needed to assess bilateral common carotid artery stenosis and plaque morphology using contrast-enhanced CT with reformatted multiplanar images to guide urgent management and possible intervention. Typical codes: B3251ZZ, B3250ZZ
A middle-aged patient with progressive transient ischemic attacks and known peripheral vascular disease is admitted for preoperative vascular assessment prior to planned carotid revascularization; high-resolution contrast CT of the bilateral common carotid arteries with computer-reformatted multiplanar images is performed to delineate bilateral carotid anatomy and surgical planning. Typical codes: B3251ZZ, B325YZZ
A trauma patient involved in a motor vehicle collision is admitted for evaluation of suspected blunt cerebrovascular injury with concern for carotid dissection; inpatient CT imaging with multiphasic, reformatted views of the bilateral common carotid arteries—potentially using intravascular-enhanced imaging techniques—is obtained urgently to evaluate vessel integrity and guide acute management. Typical codes: B325Z2Z, B325ZZZ

ICD-10-PCS Code For Thoracic Aorta: Procedure Code Group Overview

B328-INTERNAL-CAROTID-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Internal Carotid Arteries: Procedure Code Group Overview

B32G-VERTEBRAL-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Vertebral Arteries: Procedure Code Group Overview

B32R-INTRACRANIAL-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Intracranial Arteries: Procedure Code Group Overview

B32S-PULMONARY-ARTERY-COMPUTED-TOMOGRAPHY

ICD-10-PCS Code For Pulmonary Artery, Right: Procedure Code Group Overview

B32T-PULMONARY-ARTERY-LEFT-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Pulmonary Artery, Left: Procedure Code Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

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ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview

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Common Carotid Arteries Computerized Tomography Procedure Overview

Code Attributes

OpenPayer

ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview policy alerts

Common Carotid Arteries Computerized Tomography Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview policy alerts

Common Carotid Arteries Computerized Tomography Procedure Overview

Code Attributes

ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Common Carotid Arteries: Procedure Code Group Overview policy alerts

Common Carotid Arteries Computerized Tomography Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the ICD-10-PCS B325 code group?

What is the operation and body part described by the B325 group?

How do the individual ICD-10-PCS codes in B325 differ?

Why is accurate coding within the B325 group important for inpatient documentation?

In what clinical context are B325 group codes used?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the ICD-10-PCS B325 code group?

What is the operation and body part described by the B325 group?

How do the individual ICD-10-PCS codes in B325 differ?

Why is accurate coding within the B325 group important for inpatient documentation?

In what clinical context are B325 group codes used?

References