ICD-10-PCS 2027 procedure code
DP004ZZBeam Radiation of Skull using Heavy Particles (Protons,Ions)
Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data
About DP004ZZ
DP004ZZ is the ICD-10-PCS code for a beam radiation procedure on the skull using a heavy particles (protons,ions) approach with none (qualifier: none).
In plain terms, this corresponds to teleradiotherapy of other particulate radiation, the ICD-9-CM procedure title it maps to (92.26).
For a different body part, codes include DP024ZZ (maxilla), DP034ZZ (mandible), DP044ZZ (sternum), DP054ZZ (rib(s)), DP064ZZ (humerus), DP074ZZ (radius/ulna) and 4 more.
The same procedure with a different approach is coded DP000ZZ (photons <1 mev), DP001ZZ (photons 1 - 10 mev), DP002ZZ (photons >10 mev), DP003ZZ (electrons), DP005ZZ (neutrons) and DP006ZZ (neutron capture).
It doesn't appear in the MS-DRG procedure index, so on its own it doesn't change the DRG assignment.
It has been valid since ICD-10-PCS took effect on October 1, 2015.
What each character means
- 1. Section
- DRadiation Therapy
- 2. Body System
- PMusculoskeletal System
- 3. Modality
- 0Beam Radiation
- 4. Treatment Site
- 0Skull
- 5. Modality Qualifier
- 4Heavy Particles (Protons,Ions)
- 6. Isotope
- ZNone
- 7. Qualifier
- ZNone
Other versions of this procedure
Different treatment site
ICD-9-CM equivalent
Converter →- 92.26Teleradiotherapy of other particulate radiationapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about DP004ZZ
Is DP004ZZ a valid ICD-10-PCS code for 2027?
- Yes. DP004ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.
What is the ICD-9 procedure code for DP004ZZ?
- The CMS GEMs map DP004ZZ to ICD-9-CM 92.26 (Teleradiotherapy of other particulate radiation).