DHY77ZZContact Radiation of Back Skin
- Billable / Specific Code
DHY77ZZ is a billable ICD-10-PCS procedure code for Contact Radiation of Back Skin. 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 | H | Skin |
| 3 | Modality | Y | Other Radiation |
| 4 | TreatmentSite | 7 | Skin, Back |
| 5 | ModalityQualifier | 7 | Contact Radiation |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for DHY77ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DHY77ZZ
Is DHY77ZZ a billable code?
Yes. DHY77ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Contact Radiation of Back Skin on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DHY77ZZ mean?
DHY77ZZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character H is the Body System (Skin); the 3rd character Y is the Modality (Other Radiation); the 4th character 7 is the TreatmentSite (Skin, Back); 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 DHY77ZZ?
Under the General Equivalence Mappings, Contact Radiation of Back Skin crosswalks to ICD-9-PCS 92.21. The mapping is approximate, so confirm it fits the documentation.
