GZHZZZZ is a billable ICD-10-PCS procedure code for Group Psychotherapy. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Group Psychotherapy involves treatment of two or more individuals with a mental health disorder by behavioral, cognitive, psychoanalytic, psychodynamic or psychophysiological means to improve functioning or well-being. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Psychotherapy 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 | H | Group Psychotherapy |
| 4 | Qualifier | Z | None |
| 5 | Qualifier | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code psychotherapy of the group, open the FY 2027 ICD-10-PCS Alphabetic Index at Psychotherapy, then the subterm Group. The entry lists GZHZZZZ 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 GZHZZZZ
Is GZHZZZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Group Psychotherapy on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for psychotherapy of the group?
The FY 2027 ICD-10-PCS Alphabetic Index entry Psychotherapy, Group is a direct entry for GZHZZZZ, Group Psychotherapy, billable on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in GZHZZZZ 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 H is the Type (Group Psychotherapy); 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 GZHZZZZ?
Under the General Equivalence Mappings, Group Psychotherapy crosswalks to ICD-9-PCS 94.44 (Other group therapy). The mapping is approximate, so confirm it fits the documentation.
