0GW: Revision — Endocrine SystemCorrecting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device
0 Pituitary Gland; 1 Pineal Body; 5 Adrenal Gland; K Thyroid Gland; R Parathyroid Gland0 Open; 3 Percutaneous; 4 Percutaneous Endoscopic; X External0 Drainage DeviceZ No QualifierS Endocrine Gland0 Open; 3 Percutaneous; 4 Percutaneous Endoscopic0 Drainage Device; 2 Monitoring Device; 3 Infusion Device; Y Other DeviceZ No QualifierS Endocrine GlandX External0 Drainage Device; 2 Monitoring Device; 3 Infusion DeviceZ No Qualifier