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Revision Parathyroid Gland to No Qualifier with Drainage Device, External Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | G Endocrine System |
| Operation | W Revision |
| Body Part | R Parathyroid Gland |
| Approach | X External |
| Device | 0 Drainage Device |
| Qualifier | Z No Qualifier |
Operation Definition
Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device
Procedure Overview
Revision procedures address a device that was previously implanted in or near an endocrine gland and is no longer working correctly or has shifted out of position. In practice this most often applies to implantable insulin pumps, hormone infusion devices, or reservoirs placed to manage conditions like diabetes, where a catheter has migrated, a pump housing has failed mechanically, or connections need to be repaired.
Rather than replacing the entire device, which would be coded differently as a removal followed by insertion, revision is used when the existing device can be adjusted, repositioned, or partially repaired to restore its intended function. Patients typically undergo this procedure after noticing symptoms of device malfunction, such as inconsistent hormone delivery or delivery site problems, that a follow-up scan or clinical exam confirms is due to the device itself rather than the underlying gland.
Anatomy & Axis Detail
Parathyroid Gland
Revision of a parathyroid gland refers to correcting or adjusting a device or prior surgical repair related to parathyroid surgery, not a repeat excision of gland tissue, which would instead be coded as resection. Because these glands are small and situated near the thyroid and recurrent laryngeal nerves, any revision procedure in this region navigates a field that may already be altered by scar tissue from an initial parathyroidectomy. Such revisions are uncommon given how infrequently a device is left in place after parathyroid surgery, but may arise in the context of complications like a hematoma requiring drain adjustment. Precise operative documentation distinguishing revision from re-exploration or repeat resection is important, since these represent different procedures with different clinical implications.
Approach: External
External approach applies to procedures performed directly on the skin or mucous membrane, or on an accessible body surface, without any instrumentation passing through a puncture or orifice. It covers things like manual reduction of a fracture or excision of a skin lesion. It differs from Via Natural or Artificial Opening in that no internal passage is entered at all, only the exposed surface.
Device: Drainage Device
Drainage Device denotes a device such as a tube or catheter left in place to remove fluid, blood, or air from a body part or cavity following a procedure. It is distinguished from Monitoring Device, which senses and records physiologic data rather than evacuating substances from the body.
Coding & Documentation
Coders need documentation clearly stating the device was corrected, repositioned, or repaired in place, with the physical device (or a component of it) remaining the same one originally implanted. If the note describes taking out a malfunctioning device and putting in a brand-new one, that is Removal plus Insertion, not Revision, and this substitution is one of the most common assignment errors in this family. Coders should also confirm which specific device and body part are documented, since revision of an infusion pump reservoir differs from revision of a catheter tip location even within the same procedure encounter.