HZ43ZZZGroup Counseling for Substance Abuse Treatment, 12-Step
- Billable / Specific Code
HZ43ZZZ is a billable ICD-10-PCS procedure code for Group Counseling for Substance Abuse Treatment, 12-Step. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 895. The root operation Group Counseling involves the application of psychological methods to treat two or more individuals with addictive behavior. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Counseling for substance use.
Code Identity
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | H | Substance Abuse Treatment |
| 2 | Body System | Z | Substance Abuse Treatment |
| 3 | Type | 4 | Group Counseling |
| 4 | Qualifier | 3 | 12-Step |
| 5 | Qualifier | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Questions About HZ43ZZZ
Is HZ43ZZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Group Counseling for Substance Abuse Treatment, 12-Step on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in HZ43ZZZ mean?
The code breaks down character by character: the 1st character H is the Section (Substance Abuse Treatment); the 2nd character Z is the Body System (Substance Abuse Treatment); the 3rd character 4 is the Type (Group Counseling); the 4th character 3 is the Qualifier (12-Step); the 5th character Z is the Qualifier (None); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What MS-DRG does HZ43ZZZ group to?
On an inpatient stay, Group Counseling for Substance Abuse Treatment, 12-Step maps to MS-DRG 895 (alcohol, Drug Abuse or Dependence with Rehabilitation Therapy). The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of HZ43ZZZ?
Under the General Equivalence Mappings, Group Counseling for Substance Abuse Treatment, 12-Step crosswalks to ICD-9-PCS 94.45 (Drug addiction counseling) and 94.46 (Alcoholism counseling). The mapping is approximate, so confirm it fits the documentation.
