DBY77ZZContact Radiation of Chest Wall
- Billable / Specific Code
DBY77ZZ is a billable ICD-10-PCS procedure code for Contact Radiation of Chest Wall. 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 | B | Respiratory System |
| 3 | Modality | Y | Other Radiation |
| 4 | TreatmentSite | 7 | Chest Wall |
| 5 | ModalityQualifier | 7 | Contact 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 DBY77ZZ:
Clinical Classification (CCSR)
AHRQ groups DBY77ZZ into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for DBY77ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DBY77ZZ
Is DBY77ZZ a billable code?
Yes. DBY77ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Contact Radiation of Chest Wall on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DBY77ZZ mean?
DBY77ZZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character B is the Body System (Respiratory System); the 3rd character Y is the Modality (Other Radiation); the 4th character 7 is the TreatmentSite (Chest Wall); the 5th character 7 is the ModalityQualifier (Contact 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 DBY77ZZ?
Under the General Equivalence Mappings, Contact Radiation of Chest Wall crosswalks to ICD-9-PCS 92.21. The mapping is approximate, so confirm it fits the documentation.
