H0021: Alcohol and/or drug training service (for staff and personnel not employed by providers)
H0021 is a HCPCS Level II code for alcohol and/or drug training service (for staff and personnel not employed by providers). It belongs to the Behavioral Health and Substance Abuse Treatment section. Medicare does not pay it: see the coverage note below before you bill it.
Medicare coverage: Not payable by Medicare
Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q4-Oct. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusI
Not valid for Medicare purposes. Medicare uses another code.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for H0021
- Long descriptor
- Alcohol and/or drug training service (for staff and personnel not employed by providers)
- Short descriptor
- Alcohol and/or drug training
- Added
- January 1, 2001
- BETOS
- Z2
- Pricing indicator
- 00: Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service: CMS's own analytic grouping.
Service not separately priced by Part B, not covered, bundled into another service, or used by Part A only.
Codes adjacent to H0021
HCPCS has no hierarchy: related items simply sit next to each other in the numbering. If H0021 is not quite right, the correct code is very often within a few positions of it.
- H0013Alcohol and/or drug services; acute detoxification (residential addiction program outpatient)
- H0014Alcohol and/or drug services; ambulatory detoxification
- H0015Alcohol 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
- H0016Alcohol and/or drug services; medical/somatic (medical intervention in ambulatory setting)
- H0017Behavioral health; residential (hospital residential treatment program), without room and board, per diem
- H0018Behavioral health; short-term residential (non-hospital residential treatment program), without room and board, per diem
- H0019Behavioral 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
- H0020Alcohol and/or drug services; methadone administration and/or service (provision of the drug by a licensed program)
- H0022Alcohol and/or drug intervention service (planned facilitation)
- H0023Behavioral health outreach service (planned approach to reach a targeted population)
- H0024Behavioral health prevention information dissemination service (one-way direct or non-direct contact with service audiences to affect knowledge and attitude)
- H0025Behavioral health prevention education service (delivery of services with target population to affect knowledge, attitude and/or behavior)
- H0026Alcohol and/or drug prevention process service, community-based (delivery of services to develop skills of impactors)
- H0027Alcohol and/or drug prevention environmental service (broad range of external activities geared toward modifying systems in order to mainstream prevention through policy and law)
- H0028Alcohol and/or drug prevention problem identification and referral service (e.g., student assistance and employee assistance programs), does not include assessment
- H0029Alcohol and/or drug prevention alternatives service (services for populations that exclude alcohol and other drug use e.g., alcohol free social events)