DG21JZZStereotactic Gamma Beam Radiosurgery of Pineal Body

Radiation Therapy›Endocrine System›Stereotactic Radiosurgery
  • Billable / Specific Code
ICD-10-PCS DG21JZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

DG21JZZ is a billable ICD-10-PCS procedure code for Stereotactic Gamma Beam Radiosurgery of Pineal Body. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Stereotactic radiosurgery.

Code Identity

ICD-10-PCS Code
DG21JZZ
Billable Status
Yes — Valid for Submission
Code Describes
Stereotactic Gamma Beam Radiosurgery of Pineal Body
Short Description
Stereotactic Gamma Beam Radiosurgery of Pineal Body
Same as the full description in the CMS dataset.
Parent Code
DG2

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 SystemGEndocrine System
3Modality2Stereotactic Radiosurgery
4TreatmentSite1Pineal Body
5ModalityQualifierJStereotactic Gamma Beam Radiosurgery
6IsotopeZNone
7QualifierZNone

In the ICD-10-PCS Alphabetic Index

These FY 2026 ICD-10-PCS Alphabetic Index entries lead to this code:

Stereotactic Radiosurgery, Gamma Beam, Pineal Body
Direct entry for this code
Stereotactic Radiosurgery, Pineal Body
Leads to this code's table

To code stereotactic radiosurgery of the pineal body, open the FY 2026 ICD-10-PCS Alphabetic Index at Stereotactic Radiosurgery, then the subterm Pineal Body. The index leads to table DG2, where the modality qualifier, isotope and qualifier values shown in the breakdown above complete the seven-character code DG21JZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

RAD003
Stereotactic radiosurgery
Clinical domain: Radiation Therapy

Convert to ICD-9-PCS

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

92.32
Multi-source photon radiosurgery
Approximate match.

Similar Procedure Codes

Questions About DG21JZZ

Is DG21JZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Stereotactic Gamma Beam Radiosurgery of Pineal Body on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DG21JZZ mean?

The code breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character G is the Body System (Endocrine System); the 3rd character 2 is the Modality (Stereotactic Radiosurgery); the 4th character 1 is the TreatmentSite (Pineal Body); the 5th character J is the ModalityQualifier (Stereotactic Gamma Beam Radiosurgery); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).

What MS-DRG does DG21JZZ group to?

On an inpatient stay, Stereotactic Gamma Beam Radiosurgery of Pineal Body maps to MS-DRGs 040, 041, 042, 628, 629, 630, 823, 824, 825, 829, 830, 850, with relative weights from 1.3494 to 8.6595. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of DG21JZZ?

Under the General Equivalence Mappings, Stereotactic Gamma Beam Radiosurgery of Pineal Body crosswalks to ICD-9-PCS 92.32 (Multi-source photon radiosurgery). The mapping is approximate, so confirm it fits the documentation.