DD11B9ZLow Dose Rate (LDR) Brachytherapy of Stomach using Iodine 125 (I-125)
- Billable / Specific Code
DD11B9Z is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Stomach using Iodine 125 (I-125). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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 | D | Gastrointestinal System |
| 3 | Modality | 1 | Brachytherapy |
| 4 | TreatmentSite | 1 | Stomach |
| 5 | ModalityQualifier | B | Low Dose Rate (LDR) |
| 6 | Isotope | 9 | Iodine 125 (I-125) |
| 7 | Qualifier | Z | None |
Clinical Classification (CCSR)
AHRQ groups DD11B9Z into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for DD11B9Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DD11B9Z
Is DD11B9Z a billable code?
Yes. DD11B9Z is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Stomach using Iodine 125 (I-125) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DD11B9Z mean?
DD11B9Z breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character D is the Body System (Gastrointestinal System); the 3rd character 1 is the Modality (Brachytherapy); the 4th character 1 is the TreatmentSite (Stomach); 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 DD11B9Z?
Under the General Equivalence Mappings, Low Dose Rate (LDR) Brachytherapy of Stomach using Iodine 125 (I-125) crosswalks to ICD-9-PCS 92.23. The mapping is approximate, so confirm it fits the documentation.
