DP004ZZBeam Radiation of Skull using Heavy Particles (Protons,Ions)
- Billable / Specific Code
DP004ZZ is a billable ICD-10-PCS procedure code for Beam Radiation of Skull using Heavy Particles (Protons,Ions). It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Beam radiation.
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 | P | Musculoskeletal System |
| 3 | Modality | 0 | Beam Radiation |
| 4 | TreatmentSite | 0 | Skull |
| 5 | ModalityQualifier | 4 | Heavy Particles (Protons,Ions) |
| 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 beam radiation of the skull, open the FY 2027 ICD-10-PCS Alphabetic Index at Beam Radiation, then the subterm Skull. The index leads to table DP0, where the modality qualifier, isotope and qualifier values shown in the breakdown above complete the seven-character code DP004ZZ.
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 DP004ZZ
Is DP004ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Beam Radiation of Skull using Heavy Particles (Protons,Ions) on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in DP004ZZ mean?
The code breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character P is the Body System (Musculoskeletal System); the 3rd character 0 is the Modality (Beam Radiation); the 4th character 0 is the TreatmentSite (Skull); 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 DP004ZZ?
Under the General Equivalence Mappings, Beam Radiation of Skull using Heavy Particles (Protons,Ions) crosswalks to ICD-9-PCS 92.26 (Teleradiotherapy of other particulate radiation). The mapping is approximate, so confirm it fits the documentation.
