GZ3ZZZZ is a billable ICD-10-PCS procedure code for Medication Management. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Medication Management involves monitoring and adjusting the use of medications for the treatment of a mental health disorder. The Alphabetic Index lists this code under Medication Management. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Pharmacotherapy for mental health (excluding substance use).
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 | G | Mental Health |
| 2 | Body System | Z | None |
| 3 | Type | 3 | Medication Management |
| 4 | Qualifier | Z | None |
| 5 | Qualifier | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
The FY 2027 ICD-10-PCS Alphabetic Index refers to GZ3ZZZZ as Medication Management. These index entries lead to this code:
To code medication management, open the FY 2027 ICD-10-PCS Alphabetic Index at Medication Management. The entry lists GZ3ZZZZ directly as a complete, billable code.
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 GZ3ZZZZ
Is GZ3ZZZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Medication Management on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for medication Management?
The ICD-10-PCS Alphabetic Index lists Medication Management under code GZ3ZZZZ, Medication Management, billable on inpatient claims in fiscal year 2027.
What do the characters in GZ3ZZZZ mean?
The code breaks down character by character: the 1st character G is the Section (Mental Health); the 2nd character Z is the Body System (None); the 3rd character 3 is the Type (Medication Management); the 4th character Z is the Qualifier (None); 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 GZ3ZZZZ?
Under the General Equivalence Mappings, Medication Management crosswalks to ICD-9-PCS 94.25 (Other psychiatric drug therapy). The mapping is approximate, so confirm it fits the documentation.