DF1299ZHigh Dose Rate (HDR) Brachytherapy of Bile Ducts using Iodine 125 (I-125)

  • Billable / Specific Code
ICD-10-PCS DF1299Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

DF1299Z is a billable ICD-10-PCS procedure code for High Dose Rate (HDR) Brachytherapy of Bile Ducts using Iodine 125 (I-125). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026).

Code Identity

ICD-10-PCS Code
DF1299Z
Billable Status
Yes — Valid for Submission
Code Describes
High Dose Rate (HDR) Brachytherapy of Bile Ducts using Iodine 125 (I-125)
Parent Code
Short Description
HDR Brachytherapy of Bile Ducts using Iodine 125

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.

PositionDesignationValueMeaning
1SectionDRadiation Therapy
2Body SystemFHepatobiliary System and Pancreas
3Modality1Brachytherapy
4TreatmentSite2Bile Ducts
5ModalityQualifier9High Dose Rate (HDR)
6Isotope9Iodine 125 (I-125)
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for DF1299Z under the General Equivalence Mappings.

92.23
Approximate match.

Similar Procedure Codes

Questions About DF1299Z

Is DF1299Z a billable code?

Yes. DF1299Z is a complete seven-character ICD-10-PCS code, specific enough to report High Dose Rate (HDR) Brachytherapy of Bile Ducts using Iodine 125 (I-125) on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DF1299Z mean?

DF1299Z 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 9 is the Isotope (Iodine 125 (I-125)); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of DF1299Z?

Under the General Equivalence Mappings, High Dose Rate (HDR) Brachytherapy of Bile Ducts using Iodine 125 (I-125) crosswalks to ICD-9-PCS 92.23. The mapping is approximate, so confirm it fits the documentation.