S.D. Codified Laws § 58-17H-55 (2026)
A step therapy override exception shall be approved by a health carrier, health benefit plan, or utilization review organization if any of the following circumstances apply:
(1) The prescription drug required under the step therapy protocol is contraindicated pursuant to the drug manufacturer's prescribing information for the drug or, due to a documented adverse event with a previous use or a documented medical condition, including a comorbid condition, is likely to do any of the following:
(2) The prescription drug required under the step therapy protocol is expected to be ineffective based on the known clinical characteristics of the covered person, such as the covered person's adherence to or compliance with the covered person's individual plan of care, and any of the following:
Upon approval of a step therapy override exception, the health carrier, health benefit plan, or utilization review organization shall authorize coverage for the prescription drug selected by the covered person's prescribing health care professional if the prescription drug is a covered prescription drug under the covered person's health benefit plan.
Except in the case of an urgent care request, a health carrier, health benefit plan, or utilization review organization shall make a determination to approve or deny a request for a step therapy override exception within five calendar days after receipt of complete, clinically relevant written documentation supporting a step therapy override exception under subdivisions (1) through (4) of this section. In the case of an urgent care request, a health carrier, health benefit plan, or utilization review organization shall approve or deny a request for a step therapy override exception within seventy-two hours after receipt of such documentation. If a request for a step therapy override exception is incomplete or additional clinically relevant information is required, the health carrier, health benefit plan, or utilization review organization may request such information within the applicable time period provided in this section. Once the information is submitted, the applicable time period for approval or denial shall begin again. If a health carrier, health plan, or utilization review organization fails to respond to the request for a step override exception within the applicable time, the step therapy override exception shall be deemed granted.
If a nonurgent care request for a step therapy override exception is denied, the denial is an adverse determination and the health carrier, health benefit plan, or utilization review organization shall provide notification of adverse determination pursuant to § 58-17H-32 . If an urgent care request is denied, the health carrier, health benefit plan, or utilization review organization shall provide notification of adverse determination pursuant to § 58-17H-48 . Any denial of a request for a step therapy override exception is subject to the grievance procedures under chapter 58-17I .
Source: SL 2020, ch 209 , § 4.