DD11BYZLow Dose Rate (LDR) Brachytherapy of Stomach using Other Isotope
- Billable / Specific Code
DD11BYZ is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Stomach using Other Isotope. 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 | D | Gastrointestinal System |
| 3 | Modality | 1 | Brachytherapy |
| 4 | TreatmentSite | 1 | Stomach |
| 5 | ModalityQualifier | B | Low Dose Rate (LDR) |
| 6 | Isotope | Y | Other Isotope |
| 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 stomach, open the FY 2027 ICD-10-PCS Alphabetic Index at Brachytherapy, then the subterm Stomach. The index leads to table DD1, where the modality qualifier, isotope and qualifier values shown in the breakdown above complete the seven-character code DD11BYZ.
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.
Code History
- DD11B6Z — LDR Brachytherapy of Stomach using Cesium 131
Similar Procedure Codes
Questions About DD11BYZ
Is DD11BYZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Stomach using Other Isotope on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in DD11BYZ mean?
The code 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 Y is the Isotope (Other Isotope); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of DD11BYZ?
Under the General Equivalence Mappings, Low Dose Rate (LDR) Brachytherapy of Stomach using Other Isotope crosswalks to ICD-9-PCS 92.23 (Radioisotopic teleradiotherapy). The mapping is approximate, so confirm it fits the documentation.
