ICD-10-PCS Code For Right Lower Extremity: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group B42F includes procedures performed to image vascular structures in the right lower extremity arteries. These ICD-10-PCS codes are used for inpatient documentation when a computed tomography study of the right lower extremity arteries is performed to evaluate vascular disease, injury, or postprocedural assessment. Accurate coding within the ICD-10-PCS B42F group is essential for proper inpatient reimbursement, as it captures the imaging procedure performed and supports clinical documentation accuracy.

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Lower Extremity Arteries Computerized Tomography Procedure Overview

This procedure group includes computerized tomography studies of the right lower extremity arterial system, produced from multiple exposures of external ionizing radiation and reformatted into multiplanar digital displays. These studies target the lower arteries of the right leg to visualize vascular anatomy, stenosis, occlusion, aneurysm, or postintervention status. Accurate ICD-10-PCS coding of these imaging procedures supports appropriate inpatient documentation and helps ensure correct case mix and reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
4	Body System	Lower Arteries
2	Operation	Computerized Tomography (CT Scan)
F	Body Part	Lower Extremity Arteries, Right

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ICD-10-PCS Code For Right Lower Extremity: Procedure Code Group Overview

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Lower Extremity Arteries Computerized Tomography Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
4	Body System	Lower Arteries
2	Operation	Computerized Tomography (CT Scan)
F	Body Part	Lower Extremity Arteries, Right

When to Use

Use a code from this group when a CT scan with digital multiplanar reformats is performed specifically to image the right lower extremity arteries. Typical clinical circumstances include evaluation of suspected arterial stenosis, occlusion, aneurysm, trauma, or follow-up after vascular intervention.

ICD-10-PCS Codes

5 rows

ICD-10-PCS Code	Description
B42F0ZZ	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries using High Osmolar Contrast
B42F1ZZ	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries using Low Osmolar Contrast
B42FYZZ	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries using Other Contrast
B42FZ2Z	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries using Intravascular Optical Coherence
B42FZZZ	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries

Typical Clinical Scenarios

An adult patient presents to the emergency department with sudden onset of severe right lower extremity pain, pallor, and absent distal pulses after an episode of atrial fibrillation; acute limb ischemia is suspected and the patient is admitted for urgent vascular assessment. A CT angiographic study of the right lower extremity arteries with intravenous iodinated contrast and multiplanar reformats is performed to identify arterial occlusion location and plan potential revascularization. The imaging targets the right lower extremity arterial tree to guide emergent surgical or endovascular intervention. Typical codes: B42F1ZZ
A patient with known peripheral arterial disease and lifestyle-limiting claudication is admitted for evaluation and preoperative planning prior to elective right lower extremity endovascular intervention. A contrast-enhanced CT study of the right lower extremity arteries with multiplanar reformats is obtained to delineate the extent of stenosis and runoff vessels for procedural mapping. The imaging is scheduled and performed in the inpatient setting to assist the treating team in planning angioplasty or bypass strategy. Typical codes: B42F1ZZ
A patient recently treated with right femoropopliteal stent placement returns with recurrent rest pain and concern for in-stent restenosis or stent thrombosis; the patient is admitted for evaluation of suspected postprocedural complication. A CT angiographic examination of the right lower extremity arteries with multiplanar reformats is performed to assess stent patency, detect occlusion or flow-limiting restenosis, and inform the need for repeat intervention. The study focuses on the previously treated arterial segments in the right leg. Typical codes: B42F1ZZ, B42FYZZ

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

B421-CELIAC-ARTERY-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Celiac Artery: Procedure Code Group Overview

B424-SUPERIOR-MESENTERIC-ARTERY-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Superior Mesenteric Artery: Procedure Code Group Overview

B428-RENAL-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Renal Arteries, Bilateral: Procedure Code Group Overview

B42C-PELVIC-ARTERIES-COMPUTERIZED-TOMOGRAPHY

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

B42G-LEFT-LOWER-EXTREMITY-CT-SCAN

ICD-10-PCS Code For Left Lower Extremity Arteries: Procedure Code Group Overview

B42H-LOWER-EXTREMITY-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Lower Extremity Arteries: Procedure Code Group Overview

B42M-RENAL-ARTERY-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Renal Artery: 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
B42F0ZZ	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries using High Osmolar Contrast
B42F1ZZ	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries using Low Osmolar Contrast
B42FYZZ	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries using Other Contrast
B42FZ2Z	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries using Intravascular Optical Coherence
B42FZZZ	Computerized Tomography (CT Scan) of Right Lower Extremity Arteries

Typical Clinical Scenarios

An adult patient presents to the emergency department with sudden onset of severe right lower extremity pain, pallor, and absent distal pulses after an episode of atrial fibrillation; acute limb ischemia is suspected and the patient is admitted for urgent vascular assessment. A CT angiographic study of the right lower extremity arteries with intravenous iodinated contrast and multiplanar reformats is performed to identify arterial occlusion location and plan potential revascularization. The imaging targets the right lower extremity arterial tree to guide emergent surgical or endovascular intervention. Typical codes: B42F1ZZ
A patient with known peripheral arterial disease and lifestyle-limiting claudication is admitted for evaluation and preoperative planning prior to elective right lower extremity endovascular intervention. A contrast-enhanced CT study of the right lower extremity arteries with multiplanar reformats is obtained to delineate the extent of stenosis and runoff vessels for procedural mapping. The imaging is scheduled and performed in the inpatient setting to assist the treating team in planning angioplasty or bypass strategy. Typical codes: B42F1ZZ
A patient recently treated with right femoropopliteal stent placement returns with recurrent rest pain and concern for in-stent restenosis or stent thrombosis; the patient is admitted for evaluation of suspected postprocedural complication. A CT angiographic examination of the right lower extremity arteries with multiplanar reformats is performed to assess stent patency, detect occlusion or flow-limiting restenosis, and inform the need for repeat intervention. The study focuses on the previously treated arterial segments in the right leg. Typical codes: B42F1ZZ, B42FYZZ

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

B421-CELIAC-ARTERY-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Celiac Artery: Procedure Code Group Overview

B424-SUPERIOR-MESENTERIC-ARTERY-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Superior Mesenteric Artery: Procedure Code Group Overview

B428-RENAL-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Renal Arteries, Bilateral: Procedure Code Group Overview

B42C-PELVIC-ARTERIES-COMPUTERIZED-TOMOGRAPHY

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

B42G-LEFT-LOWER-EXTREMITY-CT-SCAN

ICD-10-PCS Code For Left Lower Extremity Arteries: Procedure Code Group Overview

B42H-LOWER-EXTREMITY-ARTERIES-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Lower Extremity Arteries: Procedure Code Group Overview

B42M-RENAL-ARTERY-COMPUTERIZED-TOMOGRAPHY

ICD-10-PCS Code For Renal Artery: 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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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 Right Lower Extremity: Procedure Code Group Overview

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Lower Extremity Arteries Computerized Tomography Procedure Overview

Code Attributes

OpenPayer

ICD-10-PCS Code For Right Lower Extremity: Procedure Code Group Overview

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Lower Extremity 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 Right Lower Extremity: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Right Lower Extremity: Procedure Code Group Overview policy alerts

Lower Extremity Arteries Computerized Tomography Procedure Overview

Code Attributes

ICD-10-PCS Code For Right Lower Extremity: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Right Lower Extremity: Procedure Code Group Overview policy alerts

Lower Extremity Arteries Computerized Tomography Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the B42F ICD-10-PCS group?

What is the primary operation and body system for codes in this group?

When should one use a B42F code in inpatient documentation?

How do these codes impact reimbursement and documentation?

Are there related DRGs listed for this procedure group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the B42F ICD-10-PCS group?

What is the primary operation and body system for codes in this group?

When should one use a B42F code in inpatient documentation?

How do these codes impact reimbursement and documentation?

Are there related DRGs listed for this procedure group?

References