DT11B9ZLow Dose Rate (LDR) Brachytherapy of Ureter using Iodine 125 (I-125)
- Billable / Specific Code
DT11B9Z is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Ureter using Iodine 125 (I-125). It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Brachytherapy.
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 | 1 | Brachytherapy |
| 4 | TreatmentSite | 1 | Ureter |
| 5 | ModalityQualifier | B | Low Dose Rate (LDR) |
| 6 | Isotope | 9 | Iodine 125 (I-125) |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code brachytherapy of the ureter, open the FY 2027 ICD-10-PCS Alphabetic Index at Brachytherapy, then the subterm Ureter. The index leads to table DT1, where the modality qualifier, isotope and qualifier values shown in the breakdown above complete the seven-character code DT11B9Z.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DT11B9Z
Is DT11B9Z a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Ureter using Iodine 125 (I-125) on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in DT11B9Z mean?
The code 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 1 is the Modality (Brachytherapy); the 4th character 1 is the TreatmentSite (Ureter); the 5th character B is the ModalityQualifier (Low Dose Rate (LDR)); the 6th character 9 is the Isotope (Iodine 125 (I-125)); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of DT11B9Z?
Under the General Equivalence Mappings, Low Dose Rate (LDR) Brachytherapy of Ureter using Iodine 125 (I-125) crosswalks to ICD-9-PCS 92.23 (Radioisotopic teleradiotherapy). The mapping is approximate, so confirm it fits the documentation.
