ICD-10-PCS Billable Code

HZ31ZZZ

Individual Counseling Behavioral to None with None, None Approach

Procedural Specifications

Clinical Axis Detail Definition
SectionH Substance Abuse Treatment
Body SystemZ None
Operation3 Individual Counseling
Body Part1 Behavioral
ApproachZ None
DeviceZ None
QualifierZ None

Operation Definition

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

Procedure Overview

Individual counseling in substance abuse treatment involves a one-on-one session between a patient and a trained counselor focused on the behaviors, triggers, and thought patterns connected to addiction. Unlike broader psychotherapy, this form of counseling tends to be more practical and goal-oriented, helping the person build coping strategies, set recovery milestones, and work through immediate challenges in daily life that threaten sobriety.

Sessions are commonly delivered throughout a treatment episode, whether inpatient, residential, or outpatient, and often run alongside group sessions and medical care. The counselor may draw on structured approaches such as motivational interviewing or relapse prevention planning, tailoring the conversation to the individual's specific substance use history and circumstances rather than following a fixed psychotherapy protocol.

Anatomy & Axis Detail

Behavioral

This code applies to individual counseling that centers on modifying observable behaviors tied to substance use, such as avoiding triggers, restructuring daily routines, or reinforcing new coping actions through practice and feedback, rather than working primarily with the patient's thoughts or beliefs. It is used when the counselor's approach emphasizes conditioning principles, skills rehearsal, or contingency-based strategies over cognitive reframing, making it distinct from the cognitive-only or combined cognitive-behavioral qualifiers. Sessions are delivered one-on-one, which matters clinically because behavioral counseling often includes role-play or in-session practice that requires individualized pacing not easily replicated in a group setting. Accurate documentation should describe the specific behavioral techniques used and the target behavior being modified, supporting continuity of care as treatment progresses.

Coding & Documentation

This code is assigned when documentation describes a one-on-one session between the patient and a qualified counselor specifically addressing addictive behavior, with enough detail to show it was an individual rather than group format. Notes should reflect the date, focus of the session, and that it was conducted as part of the substance abuse treatment plan.

A frequent mistake is defaulting to this code whenever any counseling is mentioned without confirming the session was one-on-one, when the encounter was actually a group format. Coders also sometimes misapply this code for sessions that meet the definition of individual psychotherapy, since counseling and psychotherapy notes can use overlapping language even though they represent distinct root operations.

Commonly Confused With

The closest point of confusion is with individual psychotherapy, coded separately in this section; counseling generally centers on practical behavioral support and skill-building, while psychotherapy applies formal psychological methods such as cognitive or psychodynamic techniques to treat the addictive behavior. It is also distinguished from group counseling by participant count alone, one patient versus two or more, so documentation specifying who was present is essential to choosing correctly.