0G2 Change - Endocrine System ICD-10-PCS
The 0G2 code range contains 13 ICD-10-PCS codes for Change procedures on the endocrine system. 12 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Change: Taking out or off a device from a body part and putting back an identical or similar device in or on the same body part without cutting or puncturing the skin or a mucous membrane.
Codes in the 0G2 Range 13 codes · 12 billable
- 0G2 Endocrine System, ChangeNon-billable header
- 0G20X0Z Change Drainage Device in Pituitary Gland, External Approach
- 0G20XYZ Change Other Device in Pituitary Gland, External Approach
- 0G21X0Z Change Drainage Device in Pineal Body, External Approach
- 0G21XYZ Change Other Device in Pineal Body, External Approach
- 0G25X0Z Change Drainage Device in Adrenal Gland, External Approach
- 0G25XYZ Change Other Device in Adrenal Gland, External Approach
- 0G2KX0Z Change Drainage Device in Thyroid Gland, External Approach
- 0G2KXYZ Change Other Device in Thyroid Gland, External Approach
- 0G2RX0Z Change Drainage Device in Parathyroid Gland, External Approach
- 0G2RXYZ Change Other Device in Parathyroid Gland, External Approach
- 0G2SX0Z Change Drainage Device in Endocrine Gland, External Approach
- 0G2SXYZ Change Other Device in Endocrine Gland, External Approach
About the 0G2 Code Range
The ICD-10-PCS root operation Change (code 0G2) involves the replacement of a device without taking out and reinserting the entire device. This operation is applied when a part of a device in the Endocrine System is exchanged through an external approach.
Specifically, the Change operation is used for devices such as drainage or other implantable devices located in endocrine glands including the Pituitary Gland, Pineal Body, Adrenal Gland, Thyroid Gland, and Parathyroid Gland. For example, the code 0G20X0Z denotes changing a drainage device in the pituitary gland via an external approach, while 0G25XYZ indicates changing another kind of device in the adrenal gland, also externally. These precise codes allow accurate documentation of device management within the endocrine system, supporting clinical clarity in procedural records and facilitating appropriate coding practices for device replacement procedures.
Questions About This Page
How many billable codes are in the 0G2 range?
Of the 13 codes in this range, 12 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.
What does the 0G2 range classify?
The range classifies Change procedures, taking out or off a device from a body part and putting back an identical or similar device in or on the same body part without cutting or puncturing the skin or a mucous membrane, performed on the endocrine system. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
