DB12BYZLow Dose Rate (LDR) Brachytherapy of Lung using Other Isotope

  • Billable / Specific Code
ICD-10-PCS DB12BYZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

DB12BYZ is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Lung using Other Isotope. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026).

Code Identity

ICD-10-PCS Code
DB12BYZ
Billable Status
Yes — Valid for Submission
Code Describes
Low Dose Rate (LDR) Brachytherapy of Lung using Other Isotope
Parent Code
Short Description
Low Dose Rate (LDR) Brachytherapy of Lung using Oth Isotope

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 SystemBRespiratory System
3Modality1Brachytherapy
4TreatmentSite2Lung
5ModalityQualifierBLow Dose Rate (LDR)
6IsotopeYOther Isotope
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for DB12BYZ under the General Equivalence Mappings.

92.23
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • DB12B6Z — Low Dose Rate (LDR) Brachytherapy of Lung using Cesium 131

Similar Procedure Codes

Questions About DB12BYZ

Is DB12BYZ a billable code?

Yes. DB12BYZ is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Lung using Other Isotope on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DB12BYZ mean?

DB12BYZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character B is the Body System (Respiratory System); the 3rd character 1 is the Modality (Brachytherapy); the 4th character 2 is the TreatmentSite (Lung); 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 DB12BYZ?

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