Addiction Severity Index

Please find links to several free, downloadable versions of the ASI, training manuals to assist in the proper administration and coding of the instruments, and information regarding the calculation of the ASI Composite Scores.

For further information and assistance, please contact our free ASI Helpdesk at This email address is being protected from spambots. You need JavaScript enabled to view it. or call the ASI Helpline toll-free at 1-800-238-2433.