DT21DZZStereotactic Other Photon Radiosurgery of Ureter
- Billable / Specific Code
DT21DZZ is a billable ICD-10-PCS procedure code for Stereotactic Other Photon Radiosurgery of Ureter. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Stereotactic radiosurgery.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | D | Radiation Therapy |
| 2 | Body System | T | Urinary System |
| 3 | Modality | 2 | Stereotactic Radiosurgery |
| 4 | TreatmentSite | 1 | Ureter |
| 5 | ModalityQualifier | D | Stereotactic Other Photon Radiosurgery |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2026 ICD-10-PCS Alphabetic Index entries lead to DT21DZZ:
Clinical Classification (CCSR)
AHRQ groups DT21DZZ into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for DT21DZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DT21DZZ
Is DT21DZZ a billable code?
Yes. DT21DZZ is a complete seven-character ICD-10-PCS code, specific enough to report Stereotactic Other Photon Radiosurgery of Ureter on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DT21DZZ mean?
DT21DZZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character T is the Body System (Urinary System); the 3rd character 2 is the Modality (Stereotactic Radiosurgery); the 4th character 1 is the TreatmentSite (Ureter); the 5th character D is the ModalityQualifier (Stereotactic Other Photon Radiosurgery); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).
What MS-DRG does DT21DZZ group to?
On an inpatient stay, Stereotactic Other Photon Radiosurgery of Ureter maps to MS-DRGs 040, 041, 042, 628, 629, 630, 823, 824, 825, 829, 830, 850, with relative weights from 1.3494 to 8.6595. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of DT21DZZ?
Under the General Equivalence Mappings, Stereotactic Other Photon Radiosurgery of Ureter crosswalks to ICD-9-PCS 92.31 and 92.39. The mapping is approximate, so confirm it fits the documentation.
