0GN04ZZRelease Pituitary Gland, Percutaneous Endoscopic Approach

0GN04ZZ is the ICD-10-PCS code for a release procedure on the pituitary gland using a percutaneous endoscopic approach. In ICD-10-PCS, release means freeing a body part from an abnormal physical constraint by cutting or by the use of force.

In plain terms, this corresponds to other operations on hypophysis, the ICD-9-CM procedure title it maps to (07.79).

For a different body part, codes include 0GN14ZZ (pineal body), 0GN24ZZ (left adrenal gland), 0GN34ZZ (right adrenal gland), 0GN44ZZ (bilateral adrenal glands), 0GN64ZZ (left carotid body), 0GN74ZZ (right carotid body) and 15 more.

The same procedure with a different approach is coded 0GN00ZZ (open) and 0GN03ZZ (percutaneous).

It is an operating-room procedure in the MS-DRG logic for DRG 023 (Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator), DRG 024 (Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC), DRG 025 (Craniotomy and Endovascular Intracranial Procedures with MCC), DRG 026 (Craniotomy and Endovascular Intracranial Procedures with CC), DRG 027 (Craniotomy and Endovascular Intracranial Procedures without CC/MCC) and DRG 579 (Other Skin, Subcutaneous Tissue and Breast Procedures with MCC), under the surgical categories “Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis”, “Craniotomy and endovascular intracranial procedures”, “Other Skin, Subcutaneous Tissue and Breast Procedures” and 1 more.

It has been valid since ICD-10-PCS took effect on October 1, 2015.