H0020 — Alcohol and/or drug services; methadone administration and/or service (provision of the drug by a licensed program)
H0020 is a HCPCS Level II code for alcohol and/or drug services; methadone administration and/or service (provision of the drug by a licensed program). 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 2026Q3-Jul. 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
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The CMS record for H0020
- Long descriptor
- Alcohol and/or drug services; methadone administration and/or service (provision of the drug by a licensed program)
- Short descriptor
- Alcohol and/or drug services
- 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 H0020
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If H0020 is not quite right, the correct code is very often within a few positions of it.
- H0012Alcohol and/or drug services; sub-acute detoxification (residential addiction program outpatient)
- 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
- H0021Alcohol and/or drug training service (for staff and personnel not employed by providers)
- 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
Questions about H0020
What is HCPCS code H0020?
H0020 is a HCPCS Level II code for alcohol and/or drug services; methadone administration and/or service (provision of the drug by a licensed program). It sits in the Behavioral Health and Substance Abuse Treatment section.
Does Medicare cover H0020?
The CMS HCPCS file marks H0020 as "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.
How is H0020 paid under the physician fee schedule?
H0020 carries PFS status code I. Not valid for Medicare purposes. Medicare uses another code.