D924DZZStereotactic Other Photon Radiosurgery of Mouth
- Billable / Specific Code
D924DZZ is a billable ICD-10-PCS procedure code for Stereotactic Other Photon Radiosurgery of Mouth. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Stereotactic radiosurgery.
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 | 9 | Ear, Nose, Mouth and Throat |
| 3 | Modality | 2 | Stereotactic Radiosurgery |
| 4 | TreatmentSite | 4 | Mouth |
| 5 | ModalityQualifier | D | Stereotactic Other Photon Radiosurgery |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code stereotactic radiosurgery of the mouth other photon, open the FY 2027 ICD-10-PCS Alphabetic Index at Stereotactic Radiosurgery, then the subterms Other Photon, Mouth. The entry lists D924DZZ directly as a complete, billable code.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About D924DZZ
Is D924DZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Stereotactic Other Photon Radiosurgery of Mouth on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for stereotactic radiosurgery of the mouth other photon?
The FY 2027 ICD-10-PCS Alphabetic Index entry Stereotactic Radiosurgery, Other Photon, Mouth is a direct entry for D924DZZ, Stereotactic Other Photon Radiosurgery of Mouth, billable on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in D924DZZ mean?
The code breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character 9 is the Body System (Ear, Nose, Mouth and Throat); the 3rd character 2 is the Modality (Stereotactic Radiosurgery); the 4th character 4 is the TreatmentSite (Mouth); 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 D924DZZ group to?
On an inpatient stay, Stereotactic Other Photon Radiosurgery of Mouth maps to MS-DRGs 040, 041, 042, 628, 629, 630, 823, 824, 825, 829, 830, 850, with relative weights from 1.2990 to 8.4076. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of D924DZZ?
Under the General Equivalence Mappings, Stereotactic Other Photon Radiosurgery of Mouth crosswalks to ICD-9-PCS 92.31 (Single source photon radiosurgery) and 92.39 (Stereotactic radiosurgery, not elsewhere classified). The mapping is approximate, so confirm it fits the documentation.
