DF1399ZHigh Dose Rate (HDR) Brachytherapy of Pancreas using Iodine 125 (I-125)
- Billable / Specific Code
DF1399Z is a billable ICD-10-PCS procedure code for High Dose Rate (HDR) Brachytherapy of Pancreas 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 | F | Hepatobiliary System and Pancreas |
| 3 | Modality | 1 | Brachytherapy |
| 4 | TreatmentSite | 3 | Pancreas |
| 5 | ModalityQualifier | 9 | High Dose Rate (HDR) |
| 6 | Isotope | 9 | Iodine 125 (I-125) |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2026 ICD-10-PCS Alphabetic Index entries lead to DF1399Z:
Clinical Classification (CCSR)
AHRQ groups DF1399Z into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for DF1399Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DF1399Z
Is DF1399Z a billable code?
Yes. DF1399Z is a complete seven-character ICD-10-PCS code, specific enough to report High Dose Rate (HDR) Brachytherapy of Pancreas using Iodine 125 (I-125) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DF1399Z mean?
DF1399Z 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 3 is the TreatmentSite (Pancreas); the 5th character 9 is the ModalityQualifier (High Dose Rate (HDR)); 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 DF1399Z?
Under the General Equivalence Mappings, High Dose Rate (HDR) Brachytherapy of Pancreas using Iodine 125 (I-125) crosswalks to ICD-9-PCS 92.23. The mapping is approximate, so confirm it fits the documentation.