D01198ZHigh Dose Rate (HDR) Brachytherapy of Brain Stem using Iridium 192 (Ir-192)

  • Billable / Specific Code
ICD-10-PCS D01198Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

D01198Z is a billable ICD-10-PCS procedure code for High Dose Rate (HDR) Brachytherapy of Brain Stem using Iridium 192 (Ir-192). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026).

Code Identity

ICD-10-PCS Code
D01198Z
Billable Status
Yes — Valid for Submission
Code Describes
High Dose Rate (HDR) Brachytherapy of Brain Stem using Iridium 192 (Ir-192)
Parent Code
Short Description
HDR Brachytherapy of Brain Stem using Iridium 192

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 System0Central and Peripheral Nervous System
3Modality1Brachytherapy
4TreatmentSite1Brain Stem
5ModalityQualifier9High Dose Rate (HDR)
6Isotope8Iridium 192 (Ir-192)
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for D01198Z under the General Equivalence Mappings.

92.23
Approximate match.

Similar Procedure Codes

Questions About D01198Z

Is D01198Z a billable code?

Yes. D01198Z is a complete seven-character ICD-10-PCS code, specific enough to report High Dose Rate (HDR) Brachytherapy of Brain Stem using Iridium 192 (Ir-192) on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in D01198Z mean?

D01198Z breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character 0 is the Body System (Central and Peripheral Nervous System); the 3rd character 1 is the Modality (Brachytherapy); the 4th character 1 is the TreatmentSite (Brain Stem); 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 D01198Z?

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