ICD-10-PCS Code For Group Psychotherapy: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group GZHZ includes procedures performed to provide psychotherapeutic treatment to two or more individuals in a group setting. These ICD-10-PCS codes are used for inpatient documentation when group psychotherapy sessions are delivered as part of a patient’s mental health treatment plan. Accurate coding within the ICD-10-PCS GZHZ group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Group Psychotherapy Procedure Overview

Procedures in the ICD-10 PCS GZHZ group involve the delivery of structured group psychotherapy sessions for patients with mental health disorders. These interventions use behavioral, cognitive, psychoanalytic, psychodynamic, or psychophysiological techniques delivered to two or more individuals to improve functioning or well-being. Accurate coding of these procedures supports inpatient clinical documentation and is important for appropriate reimbursement and case mix assignment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
G	Section	Mental Health
Z	Body System	None
H	Operation	Group Psychotherapy
Z	Body Part	None

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ICD-10-PCS Code For Group Psychotherapy: Procedure Code Group Overview

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Group Psychotherapy Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
G	Section	Mental Health
Z	Body System	None
H	Operation	Group Psychotherapy
Z	Body Part	None

When to Use

Use a code from this group when documented inpatient care includes structured group psychotherapy sessions provided to two or more patients as part of their treatment. Apply these codes when the medical record specifies group psychotherapy as the operative therapeutic intervention during the inpatient stay.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
GZHZZZZ	Group Psychotherapy

Typical Clinical Scenarios

A young adult admitted to the inpatient psychiatric unit after a suicide attempt with ongoing major depressive disorder and interpersonal difficulties. During stabilization, structured therapeutic group sessions are scheduled to address social skills, cognitive restructuring, and peer support as part of the comprehensive treatment plan. Group therapy is used to augment individual treatment, improve coping strategies, and monitor engagement and progress while inpatient. Typical codes: GZHZZZZ
A middle-aged patient with chronic schizophrenia experiencing recurrent psychotic symptoms is admitted electively for medication adjustment and rehabilitation. As part of the planned inpatient program, regular group psychotherapy sessions are conducted to reinforce reality-testing, social functioning, and medication adherence within a therapeutic milieu. These group interventions are integral to the scheduled inpatient treatment curriculum. Typical codes: GZHZZZZ
An adolescent with an eating disorder is readmitted after relapse following prior discharge; behavioral dysregulation and poor insight prompted return to inpatient care. Repeat enrollment in the inpatient structured group psychotherapy program is used to address relapse triggers, family dynamics, and relapse prevention strategies alongside medical monitoring. These group sessions serve to re-engage the patient in therapeutic work and reduce risk of further deterioration. Typical codes: GZHZZZZ

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
GZHZZZZ	Group Psychotherapy

Typical Clinical Scenarios

A young adult admitted to the inpatient psychiatric unit after a suicide attempt with ongoing major depressive disorder and interpersonal difficulties. During stabilization, structured therapeutic group sessions are scheduled to address social skills, cognitive restructuring, and peer support as part of the comprehensive treatment plan. Group therapy is used to augment individual treatment, improve coping strategies, and monitor engagement and progress while inpatient. Typical codes: GZHZZZZ
A middle-aged patient with chronic schizophrenia experiencing recurrent psychotic symptoms is admitted electively for medication adjustment and rehabilitation. As part of the planned inpatient program, regular group psychotherapy sessions are conducted to reinforce reality-testing, social functioning, and medication adherence within a therapeutic milieu. These group interventions are integral to the scheduled inpatient treatment curriculum. Typical codes: GZHZZZZ
An adolescent with an eating disorder is readmitted after relapse following prior discharge; behavioral dysregulation and poor insight prompted return to inpatient care. Repeat enrollment in the inpatient structured group psychotherapy program is used to address relapse triggers, family dynamics, and relapse prevention strategies alongside medical monitoring. These group sessions serve to re-engage the patient in therapeutic work and reduce risk of further deterioration. Typical codes: GZHZZZZ

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-PCS Code For Group Psychotherapy: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Group Psychotherapy: Procedure Code Group Overview policy alerts

Group Psychotherapy Procedure Overview

Code Attributes

ICD-10-PCS Code For Group Psychotherapy: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Group Psychotherapy: Procedure Code Group Overview policy alerts

Group Psychotherapy Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Which procedures are included in the ICD-10-PCS GZHZ group?

What is the specific ICD-10-PCS code in this group?

For what care setting is `GZHZZZZ` intended?

Why is accurate coding of `GZHZZZZ` important?

What types of psychotherapeutic techniques are referenced for procedures in GZHZ?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Which procedures are included in the ICD-10-PCS GZHZ group?

What is the specific ICD-10-PCS code in this group?

For what care setting is `GZHZZZZ` intended?

Why is accurate coding of `GZHZZZZ` important?

What types of psychotherapeutic techniques are referenced for procedures in GZHZ?

References