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• H0001

  Alcohol and/or drug assessment

• H0002

  Behavioral health screening to determine eligibility for admission to treatment program

• H0003

  Alcohol and/or drug screening; laboratory analysis of specimens for presence of alcohol and/or drugs

• H0004

  Behavioral health counseling and therapy, per 15 minutes

• H0005

  Alcohol and/or drug services; group counseling by a clinician

• H0006

  Alcohol and/or drug services; case management

• H0007

  Alcohol and/or drug services; crisis intervention (outpatient)

• H0008

  Alcohol and/or drug services; sub-acute detoxification (hospital inpatient)

• H0009

  Alcohol and/or drug services; acute detoxification (hospital inpatient)

• H0010

  Alcohol and/or drug services; sub-acute detoxification (residential addiction program inpatient)

• H0011

  Alcohol and/or drug services; acute detoxification (residential addiction program inpatient)

• H0012

  Alcohol and/or drug services; sub-acute detoxification (residential addiction program outpatient)

• H0013

  Alcohol and/or drug services; acute detoxification (residential addiction program outpatient)

• H0014

  Alcohol and/or drug services; ambulatory detoxification

• H0015

  Alcohol and/or drug services; intensive outpatient (treatment program that operates at least 3 hours/day and at least 3 days/week and is based on an individualized treatment plan), including assessment, counseling; crisis intervention, and activity therapies or education

• H0016

  Alcohol and/or drug services; medical/somatic (medical intervention in ambulatory setting)

• H0017

  Behavioral health; residential (hospital residential treatment program), without room and board, per diem

• H0018

  Behavioral health; short-term residential (non-hospital residential treatment program), without room and board, per diem

• H0019

  Behavioral health; long-term residential (non-medical, non-acute care in a residential treatment program where stay is typically longer than 30 days), without room and board, per diem

• H0020

  Alcohol and/or drug services; methadone administration and/or service (provision of the drug by a licensed program)

• H0021

  Alcohol and/or drug training service (for staff and personnel not employed by providers)

• H0022

  Alcohol and/or drug intervention service (planned facilitation)

• H0023

  Behavioral health outreach service (planned approach to reach a targeted population)

• H0024

  Behavioral health prevention information dissemination service (one-way direct or non-direct contact with service audiences to affect knowledge and attitude)

• H0025

  Behavioral health prevention education service (delivery of services with target population to affect knowledge, attitude and/or behavior)

• H0026

  Alcohol and/or drug prevention process service, community-based (delivery of services to develop skills of impactors)

• H0027

  Alcohol and/or drug prevention environmental service (broad range of external activities geared toward modifying systems in order to mainstream prevention through policy and law)

• H0028

  Alcohol and/or drug prevention problem identification and referral service (e.g., student assistance and employee assistance programs), does not include assessment

• H0029

  Alcohol and/or drug prevention alternatives service (services for populations that exclude alcohol and other drug use e.g., alcohol free social events)

• H0030

  Behavioral health hotline service

• H0031

  Mental health assessment, by non-physician

• H0032

  Mental health service plan development by non-physician

• H0033

  Oral medication administration, direct observation

• H0034

  Medication training and support, per 15 minutes

• H0035

  Mental health partial hospitalization, treatment, less than 24 hours

• H0036

  Community psychiatric supportive treatment, face-to-face, per 15 minutes

• H0037

  Community psychiatric supportive treatment program, per diem

• H0038

  Self-help/peer services, per 15 minutes

• H0039

  Assertive community treatment, face-to-face, per 15 minutes

• H0040

  Assertive community treatment program, per diem

• H0041

  Foster care, child, non-therapeutic, per diem

• H0042

  Foster care, child, non-therapeutic, per month

• H0043

  Supported housing, per diem

• H0044

  Supported housing, per month

• H0045

  Respite care services, not in the home, per diem

• H0046

  Mental health services, not otherwise specified

• H0047

  Alcohol and/or other drug abuse services, not otherwise specified

• H0048

  Alcohol and/or other drug testing: collection and handling only, specimens other than blood

• H0049

  Alcohol and/or drug screening

• H0050

  Alcohol and/or drug services, brief intervention, per 15 minutes

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HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

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