Skin (DH) ICD-10-PCS
The DH body system covers Radiation Therapy procedures on skin, with 184 ICD-10-PCS codes across 2 root operations, 180 of them billable in fiscal year 2026. 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 2 operations · 184 codes
| Chars 1–3 | Root Operation | Codes | Billable |
|---|---|---|---|
| DH0 | Beam RadiationA type of radiation therapy that uses a machine to aim high-energy rays at the cancer from outside of the body | 130 | 128 |
| DHY | Other Radiation | 54 | 52 |
The info icon shows the official root operation definition and previews the codes in that range.
About the DH Body System
The ICD-10-PCS root operation Skin under the Radiation Therapy section refers to procedures that use radiation to treat conditions affecting the skin. This operation focuses on targeting skin tissues without invasive surgery, typically for therapeutic purposes like cancer treatment.
Specifically, the ICD-10-PCS Skin radiation codes include methods such as Beam Radiation (Code DH0), which involves using a machine to direct high-energy rays externally at the skin to treat malignancies or other disorders. Another category is Other Radiation (Code DHY), which captures radiation treatments that do not fit into standard beam therapy but still target the skin. These codes allow precise documentation of the radiation modality applied, assisting in accurate procedural recording within the radiation therapy domain.
Questions About This Page
How many codes are in the DH body system?
The DH body system contains 184 ICD-10-PCS codes in FY 2026, organized into 2 root operations. 180 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 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
