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ICD-10-PCS 2027 procedure code

HZ34ZZZIndividual Counseling for Substance Abuse Treatment, Interpersonal

✓ Valid for 2027Non-O.R. procedure

Short description: Indiv Counsel for Substance Abuse Treatment, Interpersonal

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About HZ34ZZZ

HZ34ZZZ is the ICD-10-PCS code for a individual counseling procedure on the interpersonal using a none approach with none (qualifier: none). In ICD-10-PCS, individual counseling means the application of psychological methods to treat an individual with addictive behavior.

In plain terms, this corresponds to drug addiction counseling and alcoholism counseling, the ICD-9-CM procedure titles it maps to (94.45 and 94.46).

For a different body part, codes include HZ30ZZZ (cognitive), HZ31ZZZ (behavioral), HZ32ZZZ (cognitive-behavioral), HZ33ZZZ (12-step), HZ35ZZZ (vocational), HZ36ZZZ (psychoeducation) and 5 more.

It is a non-O.R. procedure that is part of the MS-DRG logic for DRG 895 (Alcohol, Drug Abuse or Dependence with Rehabilitation Therapy), under the surgical category “Alcohol, Drug Abuse or Dependence”.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

1. Section
HSubstance Abuse Treatment
2. Body System
ZNone
3. Type
3Individual Counseling

The application of psychological methods to treat an individual with addictive behavior

Comprised of several different techniques, which apply various strategies to address drug addiction

4. Qualifier
4Interpersonal
5. Qualifier
ZNone
6. Qualifier
ZNone
7. Qualifier
ZNone

Other versions of this procedure

MS-DRG v44.0 grouping

All DRGs →

Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.

MDC 20 · Alcohol/Drug Use and Alcohol/Drug Induced Organic Mental Disorders · Alcohol, Drug Abuse or Dependence

ICD-9-CM equivalent

Converter →
  • 94.45Drug addiction counselingapproximate
  • 94.46Alcoholism counselingapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about HZ34ZZZ

Is HZ34ZZZ a valid ICD-10-PCS code for 2027?

Yes. HZ34ZZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is HZ34ZZZ an O.R. procedure?

No. HZ34ZZZ is designated non-O.R. in MS-DRG v44.0.

What DRG does HZ34ZZZ group to?

Depending on the principal diagnosis, HZ34ZZZ can group to MS-DRG 895.

What is the ICD-9 procedure code for HZ34ZZZ?

The CMS GEMs map HZ34ZZZ to ICD-9-CM 94.45 (Drug addiction counseling) and 94.46 (Alcoholism counseling).