ICD-10-PCS Billable Code

05Q00ZZ

Repair Azygos Vein to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System5 Upper Veins
OperationQ Repair
Body Part0 Azygos Vein
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Restoring, to the extent possible, a body part to its normal anatomic structure and function

Procedure Overview

This family covers surgical repair of the veins that drain the arms, shoulders, chest wall, and skull, including the subclavian, axillary, brachial, basilic, cephalic, hand, azygos, hemiazygos, innominate, and intracranial veins. Repair is used when a vein has been cut, torn, punctured, or has developed a leak or fistula that needs to be closed by suturing or other direct means, and no other, more specific procedure (like replacing the vein with a graft or widening it with a stent) applies. Typical scenarios include a vein injured during trauma, a laceration from a misplaced central line or dialysis catheter, or bleeding discovered during an unrelated operation.

Because these veins carry blood back toward the heart at relatively low pressure, many injuries can be managed with direct suture repair rather than a graft, which is why this family exists as a distinct, catch-all restorative option. Patients undergoing this procedure are typically being treated for an acute injury or a complication of another medical intervention rather than a planned elective condition.

Anatomy & Axis Detail

Azygos Vein

The azygos vein runs along the right side of the vertebral column, draining the posterior thoracic wall and arching over the right mainstem bronchus to join the superior vena cava, and it serves as a critical collateral pathway when the vena cava is obstructed. Repair is typically undertaken for traumatic laceration, iatrogenic injury during thoracic or spinal surgery, or an aneurysmal dilation discovered incidentally on cross-sectional imaging. Because of its deep mediastinal location adjacent to the esophagus, trachea, and thoracic duct, operative access usually requires thoracotomy or thoracoscopy, and repair may involve direct suture of a defect rather than resection, given the vein's role in venous return when caval flow is compromised.

Approach: Open

Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.

Coding & Documentation

Repair is assigned only when documentation shows the surgeon restored the vein's own tissue to its normal structure - for example, "venorrhaphy," "suture repair of laceration," or "closure of iatrogenic venous injury" - without introducing graft material or performing a more specific root operation. The operative note should identify the exact vein involved (since Upper Veins has separate body part values for each named vessel) and describe the technique used to close the defect.

The most common coding error is defaulting to Repair whenever a vein procedure doesn't obviously fit elsewhere, when in fact a more specific root operation is required if the physician actually excised tissue, controlled bleeding through ligation, or patched the vessel with graft material. Coders also miscode the body part by using a generic "upper vein" value instead of the specific named vessel documented, or they miss that Repair is inappropriate when the vein was ligated and divided rather than reconstructed.

Commonly Confused With

RestrictionRestriction is often confused with Repair because both can involve tying off a vein, but Restriction narrows the lumen while leaving flow partially intact, whereas Repair fixes a structural defect to restore normal anatomy.
SupplementSupplement is distinguished by the use of reinforcing graft material laid over intact native tissue rather than suturing torn tissue back together.
ReplacementReplacement should be selected instead of Repair whenever a segment of vein is removed and substituted with a graft, since Repair never involves taking the place of a body part.