# Montana — Workers' compensation medical fee schedule conversion factors by US state — reimbursement rates, service category breakdowns, fee schedule basis, and effective dates For Montana, primary conversion factor ($) is 60.47; other conversion factors is Anesthesia: $65.73; facility base rates — inpatient $10,141, outpatient $130, ASC $98; effective date is July 1, 2024; update methodology is conversion factors set per state fiscal year (July 1 to June 30); source citation is Montana DLI Employment Standards Division, Historic WC Medical Reimbursement Conversion Factors table, recorded from its source on 2026-08-18. - **State:** Montana _(verified: appears in the quote below)_ - **Primary conversion factor ($):** 60.47 _(verified: appears in the quote below)_ - **Other conversion factors:** Anesthesia: $65.73; facility base rates — inpatient $10,141, outpatient $130, ASC $98 _(our reading, not quoted from the source)_ - **Effective date:** July 1, 2024 _(verified: appears in the quote below)_ - **Update methodology:** conversion factors set per state fiscal year (July 1 to June 30) _(our reading, not quoted from the source)_ - **Source citation:** Montana DLI Employment Standards Division, Historic WC Medical Reimbursement Conversion Factors table _(our reading, not quoted from the source)_ ## What the source says > 2025 | July 1, 2024 to June 30, 2025 | $10,141 | $130 | $98 | 60.47 | $65.73 | ## Source - https://erd.dli.mt.gov/work-comp-claims/medical-regulations/historic-wc-reimbursement-conversion-factors Last verified: 2026-08-18. Review by: 2027-02-14. Part of [Workers' compensation medical fee schedule conversion factors by US state — reimbursement rates, service category breakdowns, fee schedule basis, and effective dates](https://referencesource.org/wc-medical-fee-schedule-multipliers-by-state/).