D011BB1Low Dose Rate (LDR) Brachytherapy of Brain Stem using Palladium 103 (Pd-103), Unidirectional Source

Radiation Therapy›Central and Peripheral Nervous System›Brachytherapy

Billable / Specific Code

ICD-10-PCS D011BB1

CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.

D011BB1 is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Brain Stem 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

ICD-10-PCS Code

D011BB1

Billable Status

Yes — Valid for Submission

Code Describes

Low Dose Rate (LDR) Brachytherapy of Brain Stem using Palladium 103 (Pd-103), Unidirectional Source

Short Description

LDR Brachytherapy of Brain Stem using Pd-103, Unidirect

Parent Code

D01

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	0	Central and Peripheral Nervous System
3	Modality	1	Brachytherapy
4	TreatmentSite	1	Brain Stem
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:

Brachytherapy, CivaSheet(R)

Anatomy or device term that leads here

CivaSheet(R) Brachytherapy

Anatomy or device term that leads here

Brachytherapy, Brain Stem

Leads to this code's table

To code brachytherapy of the brain stem, open the FY 2027 ICD-10-PCS Alphabetic Index at Brachytherapy, then the subterm Brain Stem. The index leads to table D01, where the modality qualifier, isotope and qualifier values shown in the breakdown above complete the seven-character code D011BB1.

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

Code History

Replaces previously assigned code(s):

D011BBZ — Low Dose Rate (LDR) Brachytherapy of Brain Stem using Pd-103

Similar Procedure Codes

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Questions About D011BB1

Is D011BB1 a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Brain Stem using Palladium 103 (Pd-103), Unidirectional Source on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in D011BB1 mean?

The code breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character 0 is the Body System (Central and Peripheral Nervous System); the 3rd character 1 is the Modality (Brachytherapy); the 4th character 1 is the TreatmentSite (Brain Stem); 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).