ICD-10-PCS Billable Code

0GSL0ZZ

Reposition Superior Parathyroid Gland, Right to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemG Endocrine System
OperationS Reposition
Body PartL Superior Parathyroid Gland, Right
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Moving to its normal location, or other suitable location, all or a portion of a body part

Procedure Overview

This family covers procedures that move an endocrine gland, or a piece of one, back to where it belongs or to another location where it can function properly, without removing or replacing any tissue. The clearest example is a parathyroid gland that surgeons discover sitting in an abnormal spot in the neck or upper chest during an operation for hyperparathyroidism; rather than being removed, the gland is freed and moved into a normal anatomic plane. A lingual or otherwise ectopic thyroid tissue may be handled the same way if enough functioning gland exists to preserve it in place instead of excising it.

The goal is almost always to preserve hormone-producing tissue while fixing an anatomic problem, such as a gland pressing on a nerve, blood vessel, or the airway, or one whose displaced position makes future monitoring difficult. Patients are usually told this preserves gland function rather than sacrificing it, which distinguishes the procedure from a resection done for the same discovery.

Anatomy & Axis Detail

Superior Parathyroid Gland, Right

The right superior parathyroid gland develops from the fourth pharyngeal pouch and tends to occupy a more consistent position posterior to the upper thyroid lobe near the cricothyroid junction, but it can occasionally be found displaced into the tracheoesophageal groove or retroesophageal space. Reposition coding applies when this ectopically or awkwardly situated gland is surgically relocated to a more accessible and better-vascularized site, such as being freed from a posterior descent and secured in a normal paraesophageal position, or transplanted into adjacent muscle when its native blood supply cannot be preserved in place. Correct identification is clinically important because a retroesophageal superior gland is a frequent culprit in persistent hyperparathyroidism when missed during initial neck exploration.

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 confirm the operative note explicitly describes mobilizing and relocating gland tissue that remains attached to its blood supply, not tissue that is excised and reimplanted elsewhere, which would instead be coded as resection plus transfer or transplantation. Documentation needs to identify the specific gland and confirm no tissue was cut free and discarded. A frequent error is defaulting to Resection whenever a gland is manipulated during exploration, when the surgeon's intent and outcome was actually relocation of intact tissue. Another common slip is coding a reposition when the surgeon actually excised an ectopic nodule entirely, which changes the root operation.

Commonly Confused With

ResectionResection of the same endocrine gland is the procedure most often confused with reposition; the distinction is whether the gland is cut free and removed (resection) versus mobilized and relocated while remaining viable (reposition).
TransferTransfer is also similar but involves moving tissue to function for a different body part, which rarely applies to endocrine glands.
ReleaseRelease, used when a gland is freed from surrounding scar or adhesions without changing its location, is another operation coders sometimes mistake for reposition when no actual relocation occurred.