DT1299ZHigh Dose Rate (HDR) Brachytherapy of Bladder using Iodine 125 (I-125)

  • Billable / Specific Code
ICD-10-PCS DT1299Z
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

DT1299Z is a billable ICD-10-PCS procedure code for High Dose Rate (HDR) Brachytherapy of Bladder using Iodine 125 (I-125). It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Brachytherapy.

Code Identity

ICD-10-PCS Code
DT1299Z
Billable Status
Yes — Valid for Submission
Code Describes
High Dose Rate (HDR) Brachytherapy of Bladder using Iodine 125 (I-125)
Short Description
HDR Brachytherapy of Bladder using Iodine 125
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 SystemTUrinary System
3Modality1Brachytherapy
4TreatmentSite2Bladder
5ModalityQualifier9High Dose Rate (HDR)
6Isotope9Iodine 125 (I-125)
7QualifierZNone

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Anatomy or device term that leads here
Brachytherapy, Bladder
Leads to this code's table

To code brachytherapy of the bladder, open the FY 2027 ICD-10-PCS Alphabetic Index at Brachytherapy, then the subterm Bladder. The index leads to table DT1, where the modality qualifier, isotope and qualifier values shown in the breakdown above complete the seven-character code DT1299Z.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

RAD002
Brachytherapy
Clinical domain: Radiation Therapy

Convert to ICD-9-PCS

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

92.23
Radioisotopic teleradiotherapy
Approximate match.

Similar Procedure Codes

Questions About DT1299Z

Is DT1299Z a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report High Dose Rate (HDR) Brachytherapy of Bladder using Iodine 125 (I-125) on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in DT1299Z mean?

The code breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character T is the Body System (Urinary System); the 3rd character 1 is the Modality (Brachytherapy); the 4th character 2 is the TreatmentSite (Bladder); 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 DT1299Z?

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