HZ4 Group Counseling - Substance Abuse Treatment ICD-10-PCS
The HZ4 code range contains 13 ICD-10-PCS codes for Group Counseling procedures on the substance abuse treatment. 12 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
Root Operation Definition
Group Counseling: The application of psychological methods to treat two or more individualswith addictive behavior.
Codes in the HZ4 Range 13 codes · 12 billable
- HZ4 Substance Abuse Treatment, Group CounselingNon-billable header
- HZ40ZZZ Group Counseling for Substance Abuse Treatment, Cognitive
- HZ41ZZZ Group Counseling for Substance Abuse Treatment, Behavioral
- HZ42ZZZ Group Counseling for Substance Abuse Treatment, Cognitive-Behavioral
- HZ43ZZZ Group Counseling for Substance Abuse Treatment, 12-Step
- HZ44ZZZ Group Counseling for Substance Abuse Treatment, Interpersonal
- HZ45ZZZ Group Counseling for Substance Abuse Treatment, Vocational
- HZ46ZZZ Group Counseling for Substance Abuse Treatment, Psychoeducation
- HZ47ZZZ Group Counseling for Substance Abuse Treatment, Motivational Enhancement
- HZ48ZZZ Group Counseling for Substance Abuse Treatment, Confrontational
- HZ49ZZZ Group Counseling for Substance Abuse Treatment, Continuing Care
- HZ4BZZZ Group Counseling for Substance Abuse Treatment, Spiritual
- HZ4CZZZ Group Counseling for Substance Abuse Treatment, Pre/Post-Test Infectious Disease
About the HZ4 Code Range
These procedures bring people with addictive behavior together for structured counseling as part of substance abuse treatment.
The fourth character identifies the counseling approach: Cognitive, Behavioral, Cognitive-Behavioral, 12-Step, Interpersonal, Vocational, Psychoeducation, Motivational Enhancement, Confrontational, Continuing Care, Spiritual, or Pre/Post-Test Infectious Disease. The fifth, sixth, and seventh characters each have only the None value.
Questions About This Page
How many billable codes are in the HZ4 range?
Of the 13 codes in this range, 12 are billable and valid for inpatient claim submission from October 1, 2026 through September 30, 2027. Table header codes group them but cannot be reported on claims.
What does the HZ4 range classify?
The range classifies Group Counseling procedures, the application of psychological methods to treat two or more individualswith addictive behavior, performed on the substance abuse treatment. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.
