ICD-10-PCS Code For Hemiazygos Vein: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0571 includes procedures performed to dilate vascular structures in the hemiazygos vein. These ICD-10-PCS codes are used for inpatient documentation when an intervention is performed to enlarge the lumen of the hemiazygos vein to restore or improve venous flow. Accurate coding within the ICD-10-PCS 0571 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Hemiazygos Vein Dilation Procedure Overview

This procedure group includes dilation of the hemiazygos vein, a component of the upper venous system that drains the posterior thoracic wall. Procedures involve enlarging the lumen of the hemiazygos vein to restore or improve blood flow. Accurate ICD-10-PCS coding of these dilation procedures is important for inpatient reimbursement because it documents the specific intervention and supports appropriate case mix and payment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
5	Body System	Upper Veins
7	Operation	Dilation
1	Body Part	Hemiazygos Vein

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ICD-10-PCS Code For Hemiazygos Vein: Procedure Code Group Overview

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Hemiazygos Vein Dilation Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
5	Body System	Upper Veins
7	Operation	Dilation
1	Body Part	Hemiazygos Vein

When to Use

Use a code from this group when an inpatient procedure is performed to dilate the hemiazygos vein to relieve stenosis or obstruction. Select the code that matches the approach and any devices used during the dilation procedure.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
05710DZ	Dilation of Hemiazygos Vein with Intraluminal Device, Open Approach
05710ZZ	Dilation of Hemiazygos Vein, Open Approach
05713DZ	Dilation of Hemiazygos Vein with Intraluminal Device, Percutaneous Approach
05713ZZ	Dilation of Hemiazygos Vein, Percutaneous Approach
05714DZ	Dilation of Hemiazygos Vein with Intraluminal Device, Percutaneous Endoscopic Approach
05714ZZ	Dilation of Hemiazygos Vein, Percutaneous Endoscopic Approach

DRG Codes

3 rows

DRG Code	Description
252	Other Vascular Procedures with MCC
253	Other Vascular Procedures with CC
254	Other Vascular Procedures without CC/MCC

Typical Clinical Scenarios

An adult patient presents to the emergency department with acute onset of worsening left-sided posterior thoracic pain and signs of venous congestion after central venous thrombosis extended into the hemiazygos vein. Imaging demonstrates a focal high-grade stenosis of the hemiazygos vein with impaired drainage; endovascular dilation is performed urgently to restore lumen patency. A percutaneous approach using balloon angioplasty, without placement of a permanent intraluminal implant, is selected to rapidly relieve the obstruction and improve venous outflow. Typical codes: 05713ZZ
A middle-aged patient with progressive exertional dyspnea and chronic posterior thoracic venous insufficiency is scheduled electively for an image-guided intervention after diagnostic venography shows concentric stenosis of the hemiazygos vein. The plan is to perform percutaneous endovascular dilation and stent placement to improve long-term venous drainage and symptoms. The procedure is performed under sedation in the interventional suite using an intraluminal device to scaffold the vessel following balloon dilation. Typical codes: 05713DZ
A patient admitted with recurrent symptoms after prior open surgical repair of thoracic venous structures now demonstrates restenosis at the hemiazygos vein anastomosis. Due to prior surgery and altered anatomy, an open surgical re-exploration is performed with direct dilation of the hemiazygos vein and placement of an intraluminal device to maintain patency and address the recurrent narrowing. The procedure aims to correct the complication of recurrent postoperative stenosis. Typical codes: 05710DZ

Related Codes

0570-AZYGOS-VEIN-DILATION

ICD-10-PCS Code For Azygos Vein: Procedure Code Group Overview

0573-INNOMINATE-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Innominate Vein Right: Procedure Code Group Overview

0574-LEFT-INNOMINATE-VEIN-DILATION

ICD-10-PCS Code For Left Innominate Vein: Procedure Code Group Overview

0575-SUBCLAVIAN-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Subclavian Vein, Right: Procedure Code Group Overview

0576-LEFT-SUBCLAVIAN-VEIN-DILATION

ICD-10-PCS Code For Subclavian Vein, Left: Procedure Code Group Overview

0577-AXILLARY-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Axillary Vein Right: Procedure Code Group Overview

0578-AXILLARY-VEIN-LEFT-DILATION

ICD-10-PCS Code For Axillary Vein Left: Procedure Code Group Overview

0579-BRACHIAL-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Brachial Vein Right: Procedure Code Group Overview

057A-BRACHIAL-VEIN-LEFT-DILATION

ICD-10-PCS Code For Brachial Vein Left: Procedure Code Group Overview

057B-BASILIC-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Basilic Vein Right: Procedure Code Group Overview

Showing 1–10 of 25

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

6 rows

ICD-10-PCS Code	Description
05710DZ	Dilation of Hemiazygos Vein with Intraluminal Device, Open Approach
05710ZZ	Dilation of Hemiazygos Vein, Open Approach
05713DZ	Dilation of Hemiazygos Vein with Intraluminal Device, Percutaneous Approach
05713ZZ	Dilation of Hemiazygos Vein, Percutaneous Approach
05714DZ	Dilation of Hemiazygos Vein with Intraluminal Device, Percutaneous Endoscopic Approach
05714ZZ	Dilation of Hemiazygos Vein, Percutaneous Endoscopic Approach

DRG Codes

3 rows

DRG Code	Description
252	Other Vascular Procedures with MCC
253	Other Vascular Procedures with CC
254	Other Vascular Procedures without CC/MCC

Typical Clinical Scenarios

An adult patient presents to the emergency department with acute onset of worsening left-sided posterior thoracic pain and signs of venous congestion after central venous thrombosis extended into the hemiazygos vein. Imaging demonstrates a focal high-grade stenosis of the hemiazygos vein with impaired drainage; endovascular dilation is performed urgently to restore lumen patency. A percutaneous approach using balloon angioplasty, without placement of a permanent intraluminal implant, is selected to rapidly relieve the obstruction and improve venous outflow. Typical codes: 05713ZZ
A middle-aged patient with progressive exertional dyspnea and chronic posterior thoracic venous insufficiency is scheduled electively for an image-guided intervention after diagnostic venography shows concentric stenosis of the hemiazygos vein. The plan is to perform percutaneous endovascular dilation and stent placement to improve long-term venous drainage and symptoms. The procedure is performed under sedation in the interventional suite using an intraluminal device to scaffold the vessel following balloon dilation. Typical codes: 05713DZ
A patient admitted with recurrent symptoms after prior open surgical repair of thoracic venous structures now demonstrates restenosis at the hemiazygos vein anastomosis. Due to prior surgery and altered anatomy, an open surgical re-exploration is performed with direct dilation of the hemiazygos vein and placement of an intraluminal device to maintain patency and address the recurrent narrowing. The procedure aims to correct the complication of recurrent postoperative stenosis. Typical codes: 05710DZ

Related Codes

0570-AZYGOS-VEIN-DILATION

ICD-10-PCS Code For Azygos Vein: Procedure Code Group Overview

0573-INNOMINATE-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Innominate Vein Right: Procedure Code Group Overview

0574-LEFT-INNOMINATE-VEIN-DILATION

ICD-10-PCS Code For Left Innominate Vein: Procedure Code Group Overview

0575-SUBCLAVIAN-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Subclavian Vein, Right: Procedure Code Group Overview

0576-LEFT-SUBCLAVIAN-VEIN-DILATION

ICD-10-PCS Code For Subclavian Vein, Left: Procedure Code Group Overview

0577-AXILLARY-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Axillary Vein Right: Procedure Code Group Overview

0578-AXILLARY-VEIN-LEFT-DILATION

ICD-10-PCS Code For Axillary Vein Left: Procedure Code Group Overview

0579-BRACHIAL-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Brachial Vein Right: Procedure Code Group Overview

057A-BRACHIAL-VEIN-LEFT-DILATION

ICD-10-PCS Code For Brachial Vein Left: Procedure Code Group Overview

057B-BASILIC-VEIN-RIGHT-DILATION

ICD-10-PCS Code For Basilic Vein Right: Procedure Code Group Overview

Showing 1–10 of 25

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.

ICD-10-PCS Code For Hemiazygos Vein: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Hemiazygos Vein: Procedure Code Group Overview policy alerts

Hemiazygos Vein Dilation Procedure Overview

Code Attributes

ICD-10-PCS Code For Hemiazygos Vein: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Hemiazygos Vein: Procedure Code Group Overview policy alerts

Hemiazygos Vein Dilation Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS section and operation describe hemiazygos vein dilation?

What purposes do procedures in ICD-10-PCS code group 0571 serve?

Which specific ICD-10-PCS codes are included in the hemiazygos vein dilation group?

How does accurate coding within the 0571 group affect inpatient reimbursement?

Which DRGs are related to hemiazygos vein dilation procedures?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS section and operation describe hemiazygos vein dilation?

What purposes do procedures in ICD-10-PCS code group 0571 serve?

Which specific ICD-10-PCS codes are included in the hemiazygos vein dilation group?

How does accurate coding within the 0571 group affect inpatient reimbursement?

Which DRGs are related to hemiazygos vein dilation procedures?

References