D0004ZZBeam Radiation of Brain using Heavy Particles (Protons,Ions)
- Billable / Specific Code
D0004ZZ is a billable ICD-10-PCS procedure code for Beam Radiation of Brain using Heavy Particles (Protons,Ions). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026).
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 | 0 | Beam Radiation |
| 4 | TreatmentSite | 0 | Brain |
| 5 | ModalityQualifier | 4 | Heavy Particles (Protons,Ions) |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for D0004ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About D0004ZZ
Is D0004ZZ a billable code?
Yes. D0004ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Beam Radiation of Brain using Heavy Particles (Protons,Ions) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in D0004ZZ mean?
D0004ZZ 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 0 is the Modality (Beam Radiation); the 4th character 0 is the TreatmentSite (Brain); the 5th character 4 is the ModalityQualifier (Heavy Particles (Protons,Ions)); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of D0004ZZ?
Under the General Equivalence Mappings, Beam Radiation of Brain using Heavy Particles (Protons,Ions) crosswalks to ICD-9-PCS 92.26. The mapping is approximate, so confirm it fits the documentation.
