Department of Public Health and Human Services

Montana Healthcare Programs Provider Information » Chemical Dependency

Main Content

Chemical Dependency

Chemical Dependency

Provider Manuals

General Information for Providers  05/2019

Medicaid manual with general information for all provider types.

Chemical Dependency Provider Manual

This link will take you to the DPPHS AMDD Site.

Medicaid Rules and Regulations

Fee Schedules – Chemical Dependency

Provider Notices


10/10/2019 Continued Stay Requirements for Substance Use Disorder (SUD) Intensive Out Patient Services (ASAM 2.1)
                    Adult And Adolescent are temporarily On Hold Until Further Notice
10/01/2019 Chronic Care/Coordinated Care Codes
07/25/2019 Cognitive Care Reimbursement (Revised)
06/28/2019 Cognitive Care Reimbursement
05/20/2019 Nurse Visit - Appropriate Billing Reminder - Revised Clarification rev. 05/30/2019


11/20/2018 Appropriate Billing Reminder
11/08/2018 Rate Updates Mass Adjustment
10/19/2018 Medicaid Fee Schedules
08/03/2018 SUD Prior Authorization - ASAM 3.7
07/02/2018 Updated CLIA Claims Editing
06/04/2018 Coding Resources Change
05/18/2018 SUD Utilization Management
05/07/2018 AMDD Prior Authorization Numbers
04/24/2018 Substance Use Disorder Treatment CPT Code Update rev. 05/09/2018
04/18/2018 New AMDD Medicaid Services Provider Manual for Substance Use Disorder and Adult Mental Health
04/04/2018  Updated Passport Eligible Populations & Reimbursement
03/02/2018 Substance Use Disorder Treatment Procedure Codes
02/26/2018 New Rendering Only Provider Enrollment Application


12/26/2017 MATH Web Portal Eligibility Inquiry Verification Update
12/11/2017  Montana Plan First Procedure and Service Codes - Contraceptive (IUD) Update
12/01/2017 Montana Medicaid Expansion Prior Authorization Changes
11/20/2017 Qualified Medicare Beneficiary (QMB) Claim Adjustments
11/02/2017 New Medicare Card
10/30/2017 Licensed Addiction Counselors
10/02/2017 Montana Medicaid Expansion Changes
09/14/2017 Montana Plan First Anesthesia Update
08/21/2017 Clinical Pharmacist Practitioner
08/01/2017 Telemedicine - Correction
05/26/2017 Federal Final Rule, "Nondiscrimination in Health Program and Activities” and Implication for Coverage of Services Related to Gender Transition
04/06/2017 New EPSDT Request Form

Other Resources

To locate older documents, access the Archive Page.