DW1LBB1Low Dose Rate (LDR) Brachytherapy of Lower Back using Palladium 103 (Pd-103), Unidirectional Source
- Billable / Specific Code
DW1LBB1 is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Lower Back using Palladium 103 (Pd-103), Unidirectional Source. 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
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | D | Radiation Therapy |
| 2 | Body System | W | Anatomical Regions |
| 3 | Modality | 1 | Brachytherapy |
| 4 | TreatmentSite | L | Lower Back |
| 5 | ModalityQualifier | B | Low Dose Rate (LDR) |
| 6 | Isotope | B | Palladium 103 (Pd-103) |
| 7 | Qualifier | 1 | Unidirectional Source |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code brachytherapy of the lower back, open the FY 2027 ICD-10-PCS Alphabetic Index at Brachytherapy, then the subterms Back, Lower. The index leads to table DW1, where the modality qualifier, isotope and qualifier values shown in the breakdown above complete the seven-character code DW1LBB1.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Similar Procedure Codes
Questions About DW1LBB1
Is DW1LBB1 a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Lower Back using Palladium 103 (Pd-103), Unidirectional Source on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in DW1LBB1 mean?
The code breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character W is the Body System (Anatomical Regions); the 3rd character 1 is the Modality (Brachytherapy); the 4th character L is the TreatmentSite (Lower Back); 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).
