D0Y1FZZPlaque Radiation of Brain Stem
- Billable / Specific Code
D0Y1FZZ is a billable ICD-10-PCS procedure code for Plaque Radiation of Brain Stem. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Radiation therapy, NEC.
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 | 0 | Central and Peripheral Nervous System |
| 3 | Modality | Y | Other Radiation |
| 4 | TreatmentSite | 1 | Brain Stem |
| 5 | ModalityQualifier | F | Plaque Radiation |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2026 ICD-10-PCS Alphabetic Index entries lead to this code:
To code plaque radiation of the brain stem, open the FY 2026 ICD-10-PCS Alphabetic Index at Plaque Radiation, then the subterm Brain Stem. The entry lists D0Y1FZZ 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 D0Y1FZZ
Is D0Y1FZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Plaque Radiation of Brain Stem on inpatient claims from October 1, 2025 through September 30, 2026.
What is the ICD-10-PCS code for plaque radiation of the brain stem?
The FY 2026 ICD-10-PCS Alphabetic Index entry Plaque Radiation, Brain Stem is a direct entry for D0Y1FZZ, Plaque Radiation of Brain Stem, billable on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in D0Y1FZZ 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 Y is the Modality (Other Radiation); the 4th character 1 is the TreatmentSite (Brain Stem); the 5th character F is the ModalityQualifier (Plaque Radiation); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of D0Y1FZZ?
Under the General Equivalence Mappings, Plaque Radiation of Brain Stem crosswalks to ICD-9-PCS 92.29 (Other radiotherapeutic procedure). The mapping is approximate, so confirm it fits the documentation.
