HZ85ZZZMedication Management for Substance Abuse Treatment, Naloxone

  • Billable / Specific Code
ICD-10-PCS HZ85ZZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

HZ85ZZZ is a billable ICD-10-PCS procedure code for Medication Management for Substance Abuse Treatment, Naloxone. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Medication Management involves monitoring and adjusting the use of replacement medications for the treatment of addiction. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Pharmacotherapy for substance use.

Code Identity

ICD-10-PCS Code
HZ85ZZZ
Billable Status
Yes — Valid for Submission
Code Describes
Medication Management for Substance Abuse Treatment, Naloxone
Short Description
Meds Mgmt for Substance Abuse Treatment, Naloxone
Parent Code
HZ8 Substance Abuse Treatment, Medication Management

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
3Type8Medication Management
4Qualifier5Naloxone
5QualifierZNone
6QualifierZNone
7QualifierZNone

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Medication Management, for substance abuse, Naloxone
Direct entry for this code
Substance Abuse Treatment, Medication Management, Naloxone
Direct entry for this code

To code medication management of the naloxone for substance abuse, open the FY 2027 ICD-10-PCS Alphabetic Index at Medication Management, then the subterms for substance abuse, Naloxone. The entry lists HZ85ZZZ directly as a complete, billable code.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

SUD002
Pharmacotherapy for substance use
Clinical domain: Substance Use Disorder Treatment

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

94.64
Drug rehabilitation
Approximate match.

Similar Procedure Codes

Questions About HZ85ZZZ

Is HZ85ZZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Medication Management for Substance Abuse Treatment, Naloxone on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for medication management of the naloxone for substance abuse?

The FY 2027 ICD-10-PCS Alphabetic Index entry Medication Management, for substance abuse, Naloxone is a direct entry for HZ85ZZZ, Medication Management for Substance Abuse Treatment, Naloxone, billable on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in HZ85ZZZ 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 8 is the Type (Medication Management); the 4th character 5 is the Qualifier (Naloxone); 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 is the ICD-9-PCS equivalent of HZ85ZZZ?

Under the General Equivalence Mappings, Medication Management for Substance Abuse Treatment, Naloxone crosswalks to ICD-9-PCS 94.64 (Drug rehabilitation). The mapping is approximate, so confirm it fits the documentation.