DM20DZZStereotactic Other Photon Radiosurgery of Left Breast

  • Billable / Specific Code
ICD-10-PCS DM20DZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

DM20DZZ is a billable ICD-10-PCS procedure code for Stereotactic Other Photon Radiosurgery of Left 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
DM20DZZ
Billable Status
Yes — Valid for Submission
Code Describes
Stereotactic Other Photon Radiosurgery of Left Breast
Parent Code
DM2 Radiation Therapy, Breast, Stereotactic Radiosurgery
Short Description
Stereotactic Other Photon Radiosurgery of Left 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
4TreatmentSite0Breast, Left
5ModalityQualifierDStereotactic Other Photon Radiosurgery
6IsotopeZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for DM20DZZ under the General Equivalence Mappings.

92.31
Approximate match.
92.39
Approximate match.

Similar Procedure Codes

Questions About DM20DZZ

Is DM20DZZ a billable code?

Yes. DM20DZZ is a complete seven-character ICD-10-PCS code, specific enough to report Stereotactic Other Photon Radiosurgery of Left Breast on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DM20DZZ mean?

DM20DZZ 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 0 is the TreatmentSite (Breast, Left); the 5th character D is the ModalityQualifier (Stereotactic Other Photon Radiosurgery); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).

What MS-DRG does DM20DZZ group to?

On an inpatient stay, Stereotactic Other Photon Radiosurgery of Left 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 DM20DZZ?

Under the General Equivalence Mappings, Stereotactic Other Photon Radiosurgery of Left Breast crosswalks to ICD-9-PCS 92.31 and 92.39. The mapping is approximate, so confirm it fits the documentation.