HZ99ZZZPharmacotherapy for Substance Abuse Treatment, Other Replacement Medication
- Billable / Specific Code
HZ99ZZZ is a billable ICD-10-PCS procedure code for Pharmacotherapy for Substance Abuse Treatment, Other Replacement Medication. 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 | 9 | Other Replacement Medication |
| 5 | Qualifier | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for HZ99ZZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About HZ99ZZZ
Is HZ99ZZZ a billable code?
Yes. HZ99ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Pharmacotherapy for Substance Abuse Treatment, Other Replacement Medication on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in HZ99ZZZ mean?
HZ99ZZZ 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 9 is the Qualifier (Other Replacement Medication); 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 HZ99ZZZ?
Under the General Equivalence Mappings, Pharmacotherapy for Substance Abuse Treatment, Other Replacement Medication crosswalks to ICD-9-PCS 94.61 and 94.64. The mapping is approximate, so confirm it fits the documentation.
