Oklahoma legislation · 2026 Regular Session
Oklahoma HB3538: Pharmacy benefits managers; definitions; contractual duties to provider; prohibitions; reimbursement amounts; effective date.
Status: In committee, April 1, 2026
What the bill says
An Act relating to pharmacy benefits managers; amending 59 O.S. 2021, Sections 357, as last amended by Section 2, Chapter 414, O.S.L. 2025, and 360, as last amended by Section 8, Chapter 300, O.S.L. 2025 (59 O.S. Supp. 2025, Sections 357 and 360), which relate to definitions and pharmacy benefits manager contractual duties to provider; defining term; prohibiting pharmacy benefits manager from refusing to accept certain documentation; requiring certain adjusted reimbursement amount if certain appeal is approved; allowing certain provider to request certain reversal or rebilling…
From the engrossed text, March 27, 2026:
An Act relating to pharmacy benefits managers; amending 59 O.S. 2021, Sections 357, as last amended by Section 2, Chapter 414, O.S.L. 2025, and 360, as last amended by Section 8, Chapter 300, O.S.L. 2025 (59 O.S. Supp. 2025, Sections 357 and 360), which relate to definitions and pharmacy benefits manager contractual duties to provider; defining term; prohibiting pharmacy benefits manager from refusing to accept certain documentation; requiring certain adjusted reimbursement amount if certain appeal is approved; allowing certain provider to request certain reversal or rebilling; requiring certain information to be included in certain appeal; requiring certain adjustments to include certain claim-level details within certain time period; prohibiting certain reimbursement amounts; updating statutory references; updating statutory language; and providing an effective date. BE IT ENACTED BY THE PEOPLE OF THE STATE OF OKLAHOMA: SECTION 1. AMENDATORY 59 O.S. 2021, Section 357, as last amended by Section 2, Chapter 414, O.S.L. 2025 (59 O.S. Supp. 2025, Section 357), is amended to read as follows: Section 357. A. As used in Sections 357 through 360 360.1 of this title: ENGR. H. B. NO. 3538 Page 1. "Acquisition cost" means the total amount paid by a provider to acquire a drug, medical product, or device at the time of purchase as evidenced by verifiable purchase documentation such as an invoice or electronic price …