ICD-10-PCS Tabular Index · Section H · FY 2026 HZ2

HZ2 Detoxification Services - Substance Abuse Treatment ICD-10-PCS

The HZ2 code range contains 2 ICD-10-PCS codes for Detoxification Services procedures on the substance abuse treatment. 1 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
2
Procedure Codes
1
Billable Codes
HZ2
Characters 1–3
HZ
Parent Body System

Root Operation Definition

Detoxification Services: Detoxification from alcohol and/or drugs.

ICD-10-PCS

Codes in the HZ2 Range 2 codes · 1 billable

2 of 2 shown
  • HZ2 Substance Abuse Treatment, Detoxification ServicesNon-billable header
  • HZ2ZZZZ Detoxification Services for Substance Abuse Treatment

About the HZ2 Code Range

The ICD-10-PCS root operation Detoxification Services (code HZ2) refers to the process of eliminating toxic substances related to substance abuse from the body. This operation is classified under Substance Abuse Treatment.

Detoxification Services focus on medically managing a patient's withdrawal symptoms and cleansing the body of harmful substances, often as the first step in addiction treatment. The provided codes, such as HZ2 and the more specific HZ2ZZZZ, indicate this procedure's role within substance abuse treatment programs. These codes help document the encounter when a patient undergoes detoxification as part of comprehensive care. Proper coding of these services ensures clear communication and accurate representation of the patient's treatment journey in clinical records.

Questions About This Page

How many billable codes are in the HZ2 range?

Of the 2 codes in this range, 1 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.

What does the HZ2 range classify?

The range classifies Detoxification Services procedures, detoxification from alcohol and/or drugs, 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 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.