DU12BYZLow Dose Rate (LDR) Brachytherapy of Uterus using Other Isotope

  • Billable / Specific Code
ICD-10-PCS DU12BYZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

DU12BYZ is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Uterus using Other Isotope. 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
DU12BYZ
Billable Status
Yes — Valid for Submission
Code Describes
Low Dose Rate (LDR) Brachytherapy of Uterus using Other Isotope
Short Description
LDR Brachytherapy of Uterus using Oth Isotope
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 SystemUFemale Reproductive System
3Modality1Brachytherapy
4TreatmentSite2Uterus
5ModalityQualifierBLow Dose Rate (LDR)
6IsotopeYOther Isotope
7QualifierZNone

In the ICD-10-PCS Alphabetic Index

These FY 2026 ICD-10-PCS Alphabetic Index entries lead to DU12BYZ:

Myometrium
Entry for this code family
Perimetrium
Entry for this code family
Fundus uteri
Entry for this code family
Uterine cornu
Entry for this code family
Brachytherapy, Uterus
Entry for this code family

Clinical Classification (CCSR)

AHRQ groups DU12BYZ into these clinical categories.

RAD002
Brachytherapy
Clinical domain: Radiation Therapy

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for DU12BYZ under the General Equivalence Mappings.

92.23
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • DU12B6Z — Low Dose Rate (LDR) Brachytherapy of Uterus using Cesium 131

Similar Procedure Codes

Questions About DU12BYZ

Is DU12BYZ a billable code?

Yes. DU12BYZ is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Uterus using Other Isotope on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DU12BYZ mean?

DU12BYZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character U is the Body System (Female Reproductive System); the 3rd character 1 is the Modality (Brachytherapy); the 4th character 2 is the TreatmentSite (Uterus); the 5th character B is the ModalityQualifier (Low Dose Rate (LDR)); the 6th character Y is the Isotope (Other Isotope); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of DU12BYZ?

Under the General Equivalence Mappings, Low Dose Rate (LDR) Brachytherapy of Uterus using Other Isotope crosswalks to ICD-9-PCS 92.23. The mapping is approximate, so confirm it fits the documentation.