DM21HZZStereotactic Particulate Radiosurgery of Right Breast

  • Billable / Specific Code
ICD-10-PCS DM21HZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

DM21HZZ is a billable ICD-10-PCS procedure code for Stereotactic Particulate Radiosurgery of Right Breast. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 11 MS-DRGs.

Code Identity

ICD-10-PCS Code
DM21HZZ
Billable Status
Yes — Valid for Submission
Code Describes
Stereotactic Particulate Radiosurgery of Right Breast
Parent Code
DM2 Radiation Therapy, Breast, Stereotactic Radiosurgery
Short Description
Stereotactic Particulate Radiosurgery of Right Breast

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 SystemMBreast
3Modality2Stereotactic Radiosurgery
4TreatmentSite1Breast, Right
5ModalityQualifierHStereotactic Particulate Radiosurgery
6IsotopeZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for DM21HZZ under the General Equivalence Mappings.

92.33
Approximate match.

Similar Procedure Codes

Questions About DM21HZZ

Is DM21HZZ a billable code?

Yes. DM21HZZ is a complete seven-character ICD-10-PCS code, specific enough to report Stereotactic Particulate Radiosurgery of Right Breast on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DM21HZZ mean?

DM21HZZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character M is the Body System (Breast); the 3rd character 2 is the Modality (Stereotactic Radiosurgery); the 4th character 1 is the TreatmentSite (Breast, Right); the 5th character H is the ModalityQualifier (Stereotactic Particulate Radiosurgery); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).

What MS-DRG does DM21HZZ group to?

On an inpatient stay, Stereotactic Particulate Radiosurgery of Right Breast maps to MS-DRGs 040, 041, 042, 628, 629, 630, 823, 824, 825, 829, 830, with relative weights from 1.3494 to 4.5848. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of DM21HZZ?

Under the General Equivalence Mappings, Stereotactic Particulate Radiosurgery of Right Breast crosswalks to ICD-9-PCS 92.33. The mapping is approximate, so confirm it fits the documentation.