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Medication-Assisted Treatment in Medi-Cal for Opioid Use Disorders, by County

Published by California Department of Health Care Services | State of California | Metadata Last Checked: December 28, 2025 | Last Modified: 2025-12-04T16:23:44.069491
Medi-Cal claims for persons receiving medication-assisted treatment for opioid use disorders are unduplicated by medication. Methadone program participation is identified from claims submitted by the counties. Buprenorphine and naltrexone pharmacy claims are those used for treating opioid use disorders. Naloxone pharmacy claims are those dispensed as a first aid item (injectables and nasal sprays). The county source is taken from submitted claims.

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