DF129YZHigh Dose Rate (HDR) Brachytherapy of Bile Ducts using Other Isotope
- Billable / Specific Code
DF129YZ is a billable ICD-10-PCS procedure code for High Dose Rate (HDR) Brachytherapy of Bile Ducts using Other Isotope. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026).
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 | F | Hepatobiliary System and Pancreas |
| 3 | Modality | 1 | Brachytherapy |
| 4 | TreatmentSite | 2 | Bile Ducts |
| 5 | ModalityQualifier | 9 | High Dose Rate (HDR) |
| 6 | Isotope | Y | Other Isotope |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for DF129YZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DF129YZ
Is DF129YZ a billable code?
Yes. DF129YZ is a complete seven-character ICD-10-PCS code, specific enough to report High Dose Rate (HDR) Brachytherapy of Bile Ducts using Other Isotope on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DF129YZ mean?
DF129YZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character F is the Body System (Hepatobiliary System and Pancreas); the 3rd character 1 is the Modality (Brachytherapy); the 4th character 2 is the TreatmentSite (Bile Ducts); the 5th character 9 is the ModalityQualifier (High Dose Rate (HDR)); 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 DF129YZ?
Under the General Equivalence Mappings, High Dose Rate (HDR) Brachytherapy of Bile Ducts using Other Isotope crosswalks to ICD-9-PCS 92.23. The mapping is approximate, so confirm it fits the documentation.
