ICD-10-PCS Billable Code

0GQN4ZZ

Repair Inferior Parathyroid Gland, Right to No Qualifier with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemG Endocrine System
OperationQ Repair
Body PartN Inferior Parathyroid Gland, Right
Approach4 Percutaneous Endoscopic
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

Inferior Parathyroid Gland, Right

The right inferior parathyroid gland, descended embryologically from the third pharyngeal pouch, sits in a variable position near the lower pole of the right thyroid lobe and is the parathyroid most likely to be found in an ectopic location such as the thymus or anterior mediastinum. Repair of this gland addresses a structural defect - typically a capsular tear, laceration, or bleeding point encountered during thyroid or neck exploration - restoring the gland without excising tissue. Because inadvertent parathyroid trauma is a recognized risk of thyroidectomy, this code most often documents an intraoperative salvage repair intended to preserve calcium-regulating function and avert postoperative hypocalcemia, rather than a planned stand-alone operation. Its small size and closeness to the inferior thyroid artery and recurrent laryngeal nerve demand careful, magnified technique.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

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.