Heart and Great Vessels (D2) ICD-10-PCS
The D2 body system covers Radiation Therapy procedures on heart and great vessels, with 2 ICD-10-PCS codes across 1 root operations, 1 of them billable in fiscal year 2027. Each root operation defines a distinct procedural objective, and the info icons show the official definition with a preview of the codes inside.
Root Operations in This Body System 1 operations · 2 codes
| Chars 1–3 | Root Operation | Codes | Billable |
|---|---|---|---|
| D22 | Stereotactic Radiosurgery | 2 | 1 |
About the D2 Body System
These codes cover radiation therapy directed at the heart’s conduction mechanism, which carries signals that control the heartbeat.
The Stereotactic Radiosurgery table identifies the treatment modality. Its treatment-site character names the Conduction Mechanism.
Questions About This Page
How many codes are in the D2 body system?
The D2 body system contains 2 ICD-10-PCS codes in FY 2027, organized into 1 root operations. 1 of them are billable on inpatient claims.
What is a root operation?
The root operation is the third character of every ICD-10-PCS code and names the objective of the procedure. Drainage takes fluid out, Excision cuts out a portion of a body part, and Resection removes all of one. Picking the right root operation is the central skill of PCS coding, so each one above carries its official CMS definition.
Related References
Source: CMS FY 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.
