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OHCA Policies and Rules

317:30-5-42.20. High-investment drugs - outpatient hospitals

[Revised 09-01-21]

(a) The Oklahoma Health Care Authority (OHCA) designates certain high-investment drugs to be reimbursed separately pursuant to the Oklahoma Medicaid State Plan for members receiving services at an outpatient hospital.

(b) The list of OHCA-designated high-investment drugs is set forth on the Pharmacy page of the OHCA website, which is available at This list may be updated as deemed necessary.

(c) All high-investment drugs require prior authorization [refer to Oklahoma Administrative Code (OAC) 317:30-3-31], and the outpatient hospital stay continues to be subject to applicable medical necessity criteria requirements [refer to OAC 317:30-3-1(f)].

(d) OHCA-designated high-investment drugs provided to eligible members, when treated in out-of-state outpatient hospitals, may be reimbursed in the same manner as in-state hospitals. Out-of-state outpatient hospitals must meet applicable out-of-state conditions of payment set forth in OAC 317:30-3-89 through 317:30-3-92, and in the Oklahoma Medicaid State Plan.

Disclaimer. The OHCA rules found on this Web site are unofficial. The official rules are published by the Oklahoma Secretary of State Office of Administrative Rules as Title 317 of the Oklahoma Administrative Code. To order an official copy of these rules, contact the Office of Administrative Rules at (405) 521-4911.