DB18BB1Low Dose Rate (LDR) Brachytherapy of Diaphragm using Palladium 103 (Pd-103), Unidirectional Source

  • Billable / Specific Code
ICD-10-PCS DB18BB1
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

DB18BB1 is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Diaphragm using Palladium 103 (Pd-103), Unidirectional Source. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026).

Code Identity

ICD-10-PCS Code
DB18BB1
Billable Status
Yes — Valid for Submission
Code Describes
Low Dose Rate (LDR) Brachytherapy of Diaphragm using Palladium 103 (Pd-103), Unidirectional Source
Parent Code
Short Description
LDR Brachytherapy of Diaphragm using Pd-103, Unidirect

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
4TreatmentSite8Diaphragm
5ModalityQualifierBLow Dose Rate (LDR)
6IsotopeBPalladium 103 (Pd-103)
7Qualifier1Unidirectional Source

Code History

Replaces previously assigned code(s):
  • DB18BBZ — Low Dose Rate (LDR) Brachytherapy of Diaphragm using Pd-103

Similar Procedure Codes

Questions About DB18BB1

Is DB18BB1 a billable code?

Yes. DB18BB1 is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Diaphragm using Palladium 103 (Pd-103), Unidirectional Source on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DB18BB1 mean?

DB18BB1 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 8 is the TreatmentSite (Diaphragm); the 5th character B is the ModalityQualifier (Low Dose Rate (LDR)); the 6th character B is the Isotope (Palladium 103 (Pd-103)); the 7th character 1 is the Qualifier (Unidirectional Source).