H2001 — Rehabilitation program, per 1/2 day
H2001 is a HCPCS Level II code for rehabilitation program, per 1/2 day. 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
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for H2001
- Long descriptor
- Rehabilitation program, per 1/2 day
- Short descriptor
- Rehabilitation program 1/2 d
- Added
- January 1, 2003
- 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 H2001
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If H2001 is not quite right, the correct code is very often within a few positions of it.
- H1001Prenatal care, at-risk enhanced service; antepartum management
- H1002Prenatal care, at risk enhanced service; care coordination
- H1003Prenatal care, at-risk enhanced service; education
- H1004Prenatal care, at-risk enhanced service; follow-up home visit
- H1005Prenatal care, at-risk enhanced service package (includes h1001-h1004)
- H1010Non-medical family planning education, per session
- H1011Family assessment by licensed behavioral health professional for state defined purposes
- H2000Comprehensive multidisciplinary evaluation
- H2010Comprehensive medication services, per 15 minutes
- H2011Crisis intervention service, per 15 minutes
- H2012Behavioral health day treatment, per hour
- H2013Psychiatric health facility service, per diem
- H2014Skills training and development, per 15 minutes
- H2015Comprehensive community support services, per 15 minutes
- H2016Comprehensive community support services, per diem
- H2017Psychosocial rehabilitation services, per 15 minutes
Questions about H2001
What is HCPCS code H2001?
H2001 is a HCPCS Level II code for rehabilitation program, per 1/2 day. It sits in the Behavioral Health and Substance Abuse Treatment section.
Does Medicare cover H2001?
The CMS HCPCS file marks H2001 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 H2001 paid under the physician fee schedule?
H2001 carries PFS status code I. Not valid for Medicare purposes. Medicare uses another code.