6A3Z0ZZHyperthermia, Single
- Billable / Specific Code
6A3Z0ZZ is a billable ICD-10-PCS procedure code for Hyperthermia, Single. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Hyperthermia involves extracorporeal raising of body temperature. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Extracorporeal or systemic therapies, 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 | 6 | Extracorporeal or Systemic Therapies |
| 2 | Body System | A | Physiological Systems |
| 3 | Operation | 3 | Hyperthermia |
| 4 | BodySystem | Z | None |
| 5 | Duration | 0 | Single |
| 6 | Qualifier | Z | No Qualifier |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2026 ICD-10-PCS Alphabetic Index entries lead to this code:
To code hyperthermia of the whole body, open the FY 2026 ICD-10-PCS Alphabetic Index at Hyperthermia, then the subterm Whole Body. The index leads to table 6A3, where the duration, qualifier and qualifier values shown in the breakdown above complete the seven-character code 6A3Z0ZZ.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 6A3Z0ZZ
Is 6A3Z0ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Hyperthermia, Single on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 6A3Z0ZZ mean?
The code breaks down character by character: the 1st character 6 is the Section (Extracorporeal or Systemic Therapies); the 2nd character A is the Body System (Physiological Systems); the 3rd character 3 is the Operation (Hyperthermia); the 4th character Z is the BodySystem (None); the 5th character 0 is the Duration (Single); the 6th character Z is the Qualifier (No Qualifier); the 7th character Z is the Qualifier (No Qualifier).
What is the ICD-9-PCS equivalent of 6A3Z0ZZ?
Under the General Equivalence Mappings, Hyperthermia, Single crosswalks to ICD-9-PCS 93.35 (Other heat therapy). The mapping is approximate, so confirm it fits the documentation.
