ICD-10-PCS Billable Code

0GQJ0ZZ

Repair Thyroid Gland Isthmus to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemG Endocrine System
OperationQ Repair
Body PartJ Thyroid Gland Isthmus
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

Repair is the default root operation used when an endocrine gland has been damaged - by trauma, a surgical complication, or a structural defect - and needs to be restored to its normal anatomy and function using a method not captured by any more specific root operation. Common examples include suturing a lacerated adrenal gland or closing an inadvertent capsular tear during thyroid or parathyroid surgery.

Because Repair functions as PCS's catch-all for reconstructive work on a body part, it appears whenever a surgeon fixes torn, lacerated, or otherwise structurally compromised glandular tissue without performing a more precisely defined procedure like grafting, replacement, or a named reconstructive technique. It restores the gland's physical integrity so it can continue functioning in its normal location.

Anatomy & Axis Detail

Thyroid Gland Isthmus

The thyroid isthmus is the narrow band of glandular tissue that bridges the left and right thyroid lobes anterior to the trachea, typically at the level of the second and third tracheal rings. Repair of the isthmus addresses a structural defect, such as an inadvertent laceration or thinning encountered during tracheostomy or other anterior neck surgery, since the isthmus often must be divided or retracted to access the trachea. Because it lies directly over the trachea and can vary considerably in size or be absent altogether, its repair requires attention to underlying tracheal cartilage and airway integrity. Documentation should distinguish isthmus repair from lobe repair, as the isthmus is coded as a separate thyroid body part from either lateral lobe.

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

Coders should look for documentation of suturing, closure, or reconstruction of damaged gland tissue where no other root operation more specifically describes what was done. Because Repair is PCS's residual category, it is only correct when every other root operation definition has been ruled out for that specific procedure step.

The most frequent mistake is defaulting to Repair too quickly instead of checking whether the documented technique actually matches a more specific root operation such as Supplement (reinforcing with graft material) or Replacement; coders should also avoid assigning Repair for planned incisions made purely to gain surgical access, since those are not coded at all.

Commonly Confused With

SupplementRepair is most often confused with Supplement, which applies specifically when the surgeon reinforces or augments a body part with graft material rather than simply closing a defect with the patient's own tissue.
ReattachmentIt is also distinguished from Reattachment, which is reserved for glands that were completely or partially separated from the body and then reconnected, a more specific and less common scenario than ordinary damage repair.