HZ94ZZZPharmacotherapy for Substance Abuse Treatment, Naltrexone
- Billable / Specific Code
HZ94ZZZ is a billable ICD-10-PCS procedure code for Pharmacotherapy for Substance Abuse Treatment, Naltrexone. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Pharmacotherapy involves the use of replacement medications for the treatment of addiction.
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 | H | Substance Abuse Treatment |
| 2 | Body System | Z | Substance Abuse Treatment |
| 3 | Type | 9 | Pharmacotherapy |
| 4 | Qualifier | 4 | Naltrexone |
| 5 | Qualifier | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for HZ94ZZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About HZ94ZZZ
Is HZ94ZZZ a billable code?
Yes. HZ94ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Pharmacotherapy for Substance Abuse Treatment, Naltrexone on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in HZ94ZZZ mean?
HZ94ZZZ breaks down character by character: the 1st character H is the Section (Substance Abuse Treatment); the 2nd character Z is the Body System (Substance Abuse Treatment); the 3rd character 9 is the Type (Pharmacotherapy); the 4th character 4 is the Qualifier (Naltrexone); the 5th character Z is the Qualifier (None); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of HZ94ZZZ?
Under the General Equivalence Mappings, Pharmacotherapy for Substance Abuse Treatment, Naltrexone crosswalks to ICD-9-PCS 94.64. The mapping is approximate, so confirm it fits the documentation.
