DHY98ZZ is a billable ICD-10-PCS procedure code for Hyperthermia of Buttock 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 | 9 | Skin, Buttock |
| 5 | ModalityQualifier | 8 | Hyperthermia |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for DHY98ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DHY98ZZ
Is DHY98ZZ a billable code?
Yes. DHY98ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Hyperthermia of Buttock Skin on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DHY98ZZ mean?
DHY98ZZ 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 9 is the TreatmentSite (Skin, Buttock); the 5th character 8 is the ModalityQualifier (Hyperthermia); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of DHY98ZZ?
Under the General Equivalence Mappings, Hyperthermia of Buttock Skin crosswalks to ICD-9-PCS 99.85. The mapping is approximate, so confirm it fits the documentation.
