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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group GZ11 includes procedures performed to assess psychological function in personality and behavioral domains. These ICD-10-PCS codes are used for inpatient documentation when standardized psychological testing and interpretation are administered to evaluate personality traits or behavioral functioning. Accurate coding within the ICD-10-PCS GZ11 group is essential for proper inpatient reimbursement, as it captures the psychological assessment performed and supports clinical documentation accuracy.

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Personality And Behavioral Psychological Tests Procedure Overview

This procedure group covers the administration and interpretation of standardized psychological tests and measurement instruments targeting psychological function within the mental health section, focusing on personality and behavioral assessment. These procedures involve validated psychometric tools administered and interpreted by qualified clinicians to evaluate personality traits, behavioral patterns, and related psychological status. Accurate ICD-10-PCS coding of these assessments is important for inpatient documentation and influences case mix and reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
G	Section	Mental Health
Z	Body System	None
1	Operation	Psychological Tests
1	Body Part	Personality and Behavioral

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

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Personality And Behavioral Psychological Tests Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
G	Section	Mental Health
Z	Body System	None
1	Operation	Psychological Tests
1	Body Part	Personality and Behavioral

When to Use

Use a code from this group when standardized personality or behavioral psychological tests are administered and interpreted as part of inpatient mental health care. These codes apply when the assessment procedures are performed to evaluate or monitor psychological function for diagnostic, treatment planning, or monitoring purposes.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
GZ11ZZZ	Psychological Tests, Personality and Behavioral

Typical Clinical Scenarios

A young adult admitted to an inpatient psychiatric unit after a suicide attempt with longstanding interpersonal difficulties and suspected borderline personality features; during admission the treatment team conducts standardized personality and behavioral assessments to clarify personality organization, risk factors, and to guide therapy planning and discharge disposition. Typical codes: GZ11ZZZ
An adolescent transferred to inpatient care for severe conduct problems, aggression, and school failure where multidisciplinary evaluation includes validated behavioral inventories and personality testing to differentiate conduct disorder, oppositional defiant disorder, and comorbid personality traits that affect treatment strategy. Typical codes: GZ11ZZZ
An older adult hospitalized on a psychiatric unit for new-onset behavioral disturbance and suspected delirium versus underlying personality deterioration; clinicians perform standardized personality and behavioral measurements to document baseline functioning, monitor response to interventions, and inform care coordination and placement decisions. Typical codes: GZ11ZZZ

Related Codes

GZ10-DEVELOPMENTAL-PSYCHOLOGICAL-TESTS

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

GZ12-INTELLECTUAL-PSYCHOEDUCATIONAL-PSYCHOLOGICAL-TESTS

ICD-10-PCS Code For Intellectual And Psychoeducational: Procedure Code Group Overview

GZ13-NEUROPSYCHOLOGICAL-PSYCHOLOGICAL-TESTS

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

GZ14-NEUROBEHAVIORAL-AND-COGNITIVE-STATUS-PSYCHOLOGICAL-TESTS

ICD-10-PCS Code For Neurobehavioral And Cognitive Status: 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
GZ11ZZZ	Psychological Tests, Personality and Behavioral

Typical Clinical Scenarios

A young adult admitted to an inpatient psychiatric unit after a suicide attempt with longstanding interpersonal difficulties and suspected borderline personality features; during admission the treatment team conducts standardized personality and behavioral assessments to clarify personality organization, risk factors, and to guide therapy planning and discharge disposition. Typical codes: GZ11ZZZ
An adolescent transferred to inpatient care for severe conduct problems, aggression, and school failure where multidisciplinary evaluation includes validated behavioral inventories and personality testing to differentiate conduct disorder, oppositional defiant disorder, and comorbid personality traits that affect treatment strategy. Typical codes: GZ11ZZZ
An older adult hospitalized on a psychiatric unit for new-onset behavioral disturbance and suspected delirium versus underlying personality deterioration; clinicians perform standardized personality and behavioral measurements to document baseline functioning, monitor response to interventions, and inform care coordination and placement decisions. Typical codes: GZ11ZZZ

Related Codes

GZ10-DEVELOPMENTAL-PSYCHOLOGICAL-TESTS

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

GZ12-INTELLECTUAL-PSYCHOEDUCATIONAL-PSYCHOLOGICAL-TESTS

ICD-10-PCS Code For Intellectual And Psychoeducational: Procedure Code Group Overview

GZ13-NEUROPSYCHOLOGICAL-PSYCHOLOGICAL-TESTS

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

GZ14-NEUROBEHAVIORAL-AND-COGNITIVE-STATUS-PSYCHOLOGICAL-TESTS

ICD-10-PCS Code For Neurobehavioral And Cognitive Status: 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.

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 Personality And Behavioral: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Personality And Behavioral: Procedure Code Group Overview policy alerts

Personality And Behavioral Psychological Tests Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Personality And Behavioral: Procedure Code Group Overview policy alerts

Personality And Behavioral Psychological Tests Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers personality and behavioral psychological testing in inpatient settings?

What types of procedures are included in the `GZ11ZZZ` code?

Where is the `GZ11ZZZ` code classified within ICD-10-PCS code attributes?

Why is accurate coding of `GZ11ZZZ` important for inpatient documentation?

Who typically performs the procedures represented by `GZ11ZZZ`?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers personality and behavioral psychological testing in inpatient settings?

What types of procedures are included in the `GZ11ZZZ` code?

Where is the `GZ11ZZZ` code classified within ICD-10-PCS code attributes?

Why is accurate coding of `GZ11ZZZ` important for inpatient documentation?

Who typically performs the procedures represented by `GZ11ZZZ`?

References