DMY18ZZHyperthermia of Right Breast
- Billable / Specific Code
DMY18ZZ is a billable ICD-10-PCS procedure code for Hyperthermia of Right Breast. 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 | M | Breast |
| 3 | Modality | Y | Other Radiation |
| 4 | TreatmentSite | 1 | Breast, Right |
| 5 | ModalityQualifier | 8 | Hyperthermia |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for DMY18ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DMY18ZZ
Is DMY18ZZ a billable code?
Yes. DMY18ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Hyperthermia of Right Breast on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DMY18ZZ mean?
DMY18ZZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character M is the Body System (Breast); the 3rd character Y is the Modality (Other Radiation); the 4th character 1 is the TreatmentSite (Breast, Right); 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 DMY18ZZ?
Under the General Equivalence Mappings, Hyperthermia of Right Breast crosswalks to ICD-9-PCS 99.85. The mapping is approximate, so confirm it fits the documentation.
