DD1398ZHigh Dose Rate (HDR) Brachytherapy of Jejunum using Iridium 192 (Ir-192)

  • Billable / Specific Code
ICD-10-PCS DD1398Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

DD1398Z is a billable ICD-10-PCS procedure code for High Dose Rate (HDR) Brachytherapy of Jejunum using Iridium 192 (Ir-192). 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

ICD-10-PCS Code
DD1398Z
Billable Status
Yes — Valid for Submission
Code Describes
High Dose Rate (HDR) Brachytherapy of Jejunum using Iridium 192 (Ir-192)
Short Description
HDR Brachytherapy of Jejunum using Iridium 192
Parent Code

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 SystemDGastrointestinal System
3Modality1Brachytherapy
4TreatmentSite3Jejunum
5ModalityQualifier9High Dose Rate (HDR)
6Isotope8Iridium 192 (Ir-192)
7QualifierZNone

In the ICD-10-PCS Alphabetic Index

These FY 2026 ICD-10-PCS Alphabetic Index entries lead to DD1398Z:

Brachytherapy, Jejunum
Entry for this code family
Entry for this code family

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups DD1398Z into these clinical categories.

RAD002
Brachytherapy
Clinical domain: Radiation Therapy

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for DD1398Z under the General Equivalence Mappings.

92.23
Approximate match.

Similar Procedure Codes

Questions About DD1398Z

Is DD1398Z a billable code?

Yes. DD1398Z is a complete seven-character ICD-10-PCS code, specific enough to report High Dose Rate (HDR) Brachytherapy of Jejunum using Iridium 192 (Ir-192) on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DD1398Z mean?

DD1398Z 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 3 is the TreatmentSite (Jejunum); the 5th character 9 is the ModalityQualifier (High Dose Rate (HDR)); the 6th character 8 is the Isotope (Iridium 192 (Ir-192)); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of DD1398Z?

Under the General Equivalence Mappings, High Dose Rate (HDR) Brachytherapy of Jejunum using Iridium 192 (Ir-192) crosswalks to ICD-9-PCS 92.23. The mapping is approximate, so confirm it fits the documentation.