D7Y58ZZHyperthermia of Thorax Lymphatics
- Billable / Specific Code
D7Y58ZZ is a billable ICD-10-PCS procedure code for Hyperthermia of Thorax Lymphatics. 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 | 7 | Lymphatic and Hematologic System |
| 3 | Modality | Y | Other Radiation |
| 4 | TreatmentSite | 5 | Lymphatics, Thorax |
| 5 | ModalityQualifier | 8 | Hyperthermia |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for D7Y58ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About D7Y58ZZ
Is D7Y58ZZ a billable code?
Yes. D7Y58ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Hyperthermia of Thorax Lymphatics on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in D7Y58ZZ mean?
D7Y58ZZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character 7 is the Body System (Lymphatic and Hematologic System); the 3rd character Y is the Modality (Other Radiation); the 4th character 5 is the TreatmentSite (Lymphatics, Thorax); 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 D7Y58ZZ?
Under the General Equivalence Mappings, Hyperthermia of Thorax Lymphatics crosswalks to ICD-9-PCS 99.85. The mapping is approximate, so confirm it fits the documentation.
