HZ4Substance Abuse Treatment, Group Counseling

  • Non-Billable Header
ICD-10-PCS HZ4
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

HZ4 is a non-billable ICD-10-PCS code that heads the group for Substance Abuse Treatment, Group Counseling, so it cannot be submitted on a claim; a more specific seven-character code is required. The root operation Group Counseling involves the application of psychological methods to treat two or more individuals with addictive behavior.

Code Identity

ICD-10-PCS Code
HZ4
Billable Status
No — Non-Billable Header
Code Describes
Substance Abuse Treatment, Group Counseling
Short Description
Substance Abuse Treatment, Group Counseling

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.

PositionDesignationValueMeaning
1SectionHSubstance Abuse Treatment
2Body SystemZSubstance Abuse Treatment
3Operation4Group Counseling

Similar Procedure Codes

Questions About HZ4

Is HZ4 a billable code?

No. HZ4 is an incomplete heading for Substance Abuse Treatment, Group Counseling and cannot be submitted on a claim. A complete seven-character code is required, such as HZ40ZZZ, HZ41ZZZ, and HZ42ZZZ.