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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group GZ55 includes procedures performed to deliver individual psychotherapy focused on psychodynamic techniques. These ICD-10-PCS codes are used for inpatient documentation when psychodynamic individual therapy is provided as part of a patient’s mental health treatment plan. Accurate coding within the ICD-10-PCS GZ55 group is essential for proper inpatient reimbursement, as it captures the specific procedure performed and supports clinical documentation accuracy.

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Psychodynamic Individual Psychotherapy Procedure Overview

Procedures in this group involve the delivery of psychodynamic individual psychotherapy to treat mental health disorders, focusing on exploring unconscious processes, interpersonal patterns, and emotional conflicts. These procedures are behavioral and talk-based interventions rather than anatomical or surgical treatments. Accurate coding is important for inpatient documentation and reimbursement because it captures the specific type of psychotherapy provided and supports appropriate case mix and payment.

Code Attributes

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

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

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Psychodynamic Individual Psychotherapy Procedure Overview

Code Attributes

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

When to Use

Use a code from this group when a patient receives individual psychodynamic psychotherapy during an inpatient stay as part of treatment for a mental health disorder. These codes apply when the psychodynamic therapy is documented as the operative behavioral intervention in the medical record.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
GZ55ZZZ	Individual Psychotherapy, Psychodynamic

Typical Clinical Scenarios

A middle-aged patient admitted to the psychiatric unit for severe major depressive disorder with escalating suicidal ideation after failing outpatient treatment. During the inpatient stay, the treatment team documents structured individual psychodynamic psychotherapy sessions to explore underlying interpersonal conflicts and unconscious patterns contributing to symptoms as part of the acute stabilization plan. The therapy is provided one-on-one by a qualified mental health clinician and is recorded in the medical record as the operative behavioral intervention. Typical codes: GZ55ZZZ
An adult with a chronic personality disorder is admitted electively for a planned inpatient therapeutic program to address longstanding relational difficulties and recurrent self-harm behaviors. The inpatient treatment plan includes regular individual psychodynamic psychotherapy to work through transference issues and maladaptive interpersonal patterns that have not responded to prior outpatient modalities. Sessions are documented as individual psychodynamic psychotherapy provided during the hospitalization. Typical codes: GZ55ZZZ
A patient hospitalized for acute exacerbation of anxiety and depressive symptoms following a traumatic psychosocial stressor demonstrates worsening functioning despite initial supportive interventions. As part of the inpatient reassessment, clinicians initiate focused individual psychodynamic psychotherapy to address emerging unconscious conflicts and to modify maladaptive coping that may be prolonging the crisis. The service is documented as individual psychodynamic psychotherapy delivered during the inpatient stay to guide disposition planning. Typical codes: GZ55ZZZ

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

GZ51-BEHAVIORAL-INDIVIDUAL-PSYCHOTHERAPY

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

GZ52-COGNITIVE-INDIVIDUAL-PSYCHOTHERAPY

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

GZ53-INTERPERSONAL-INDIVIDUAL-PSYCHOTHERAPY

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

GZ54-PSYCHOANALYSIS-INDIVIDUAL-PSYCHOTHERAPY

ICD-10-PCS Code for Psychoanalysis: Procedure Code Group Overview

GZ56-SUPPORTIVE-INDIVIDUAL-PSYCHOTHERAPY

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

GZ58-COGNITIVE-BEHAVIORAL-INDIVIDUAL-PSYCHOTHERAPY

ICD-10-PCS Code For Cognitive-Behavioral: Procedure Code Group Overview

GZ59-PSYCHOPHYSIOLOGICAL-INDIVIDUAL-PSYCHOTHERAPY

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

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
GZ55ZZZ	Individual Psychotherapy, Psychodynamic

Typical Clinical Scenarios

A middle-aged patient admitted to the psychiatric unit for severe major depressive disorder with escalating suicidal ideation after failing outpatient treatment. During the inpatient stay, the treatment team documents structured individual psychodynamic psychotherapy sessions to explore underlying interpersonal conflicts and unconscious patterns contributing to symptoms as part of the acute stabilization plan. The therapy is provided one-on-one by a qualified mental health clinician and is recorded in the medical record as the operative behavioral intervention. Typical codes: GZ55ZZZ
An adult with a chronic personality disorder is admitted electively for a planned inpatient therapeutic program to address longstanding relational difficulties and recurrent self-harm behaviors. The inpatient treatment plan includes regular individual psychodynamic psychotherapy to work through transference issues and maladaptive interpersonal patterns that have not responded to prior outpatient modalities. Sessions are documented as individual psychodynamic psychotherapy provided during the hospitalization. Typical codes: GZ55ZZZ
A patient hospitalized for acute exacerbation of anxiety and depressive symptoms following a traumatic psychosocial stressor demonstrates worsening functioning despite initial supportive interventions. As part of the inpatient reassessment, clinicians initiate focused individual psychodynamic psychotherapy to address emerging unconscious conflicts and to modify maladaptive coping that may be prolonging the crisis. The service is documented as individual psychodynamic psychotherapy delivered during the inpatient stay to guide disposition planning. Typical codes: GZ55ZZZ

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

GZ51-BEHAVIORAL-INDIVIDUAL-PSYCHOTHERAPY

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

GZ52-COGNITIVE-INDIVIDUAL-PSYCHOTHERAPY

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

GZ53-INTERPERSONAL-INDIVIDUAL-PSYCHOTHERAPY

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

GZ54-PSYCHOANALYSIS-INDIVIDUAL-PSYCHOTHERAPY

ICD-10-PCS Code for Psychoanalysis: Procedure Code Group Overview

GZ56-SUPPORTIVE-INDIVIDUAL-PSYCHOTHERAPY

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

GZ58-COGNITIVE-BEHAVIORAL-INDIVIDUAL-PSYCHOTHERAPY

ICD-10-PCS Code For Cognitive-Behavioral: Procedure Code Group Overview

GZ59-PSYCHOPHYSIOLOGICAL-INDIVIDUAL-PSYCHOTHERAPY

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

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

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Psychodynamic Individual Psychotherapy Procedure Overview

Code Attributes

OpenPayer

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

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

Psychodynamic Individual Psychotherapy Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

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

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

Psychodynamic Individual Psychotherapy Procedure Overview

Code Attributes

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

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

Psychodynamic Individual Psychotherapy Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code represents psychodynamic individual psychotherapy in this group?

What is the primary purpose of procedures in the GZ55 code group?

In which ICD-10-PCS section is the GZ55 code group classified?

How should coding of `GZ55ZZZ` be used for inpatient documentation?

Are there related DRGs listed for the GZ55 code group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code represents psychodynamic individual psychotherapy in this group?

What is the primary purpose of procedures in the GZ55 code group?

In which ICD-10-PCS section is the GZ55 code group classified?

How should coding of `GZ55ZZZ` be used for inpatient documentation?

Are there related DRGs listed for the GZ55 code group?

References