Montana Title 33. Insurance and Insurance Companies § 33-32-221. Prior authorization requirements

(a) any generic prescription drug that is not included in subsections (1)(d) through (1)(g) and that is not listed within any of the schedules of controlled substances found at 21 CFR 1308.11 through 21 CFR 1308.15 or the schedules of controlled substances found in Title 50, chapter 32, after a covered person has been prescribed the covered drug at the same quantity without interruption for 6 months;

(b) any prescription drug or drugs, generic or brand name, on the grounds of therapeutic duplication for the same drug if the covered person has already been subject to prior authorization on the grounds of therapeutic duplication for the same dosage of the prescription drug or drugs and coverage of the prescription drug or drugs was approved;

(c) any prescription drug, generic or brand name, solely because the dosage of the medication for the covered person has been adjusted by the prescriber of the prescription drug, as long as the dosage is within the dosage approved by the food and drug administration or is consistent with clinical dosing for the medication;

(d) any prescription drug, generic or brand name, that is a long-acting injectable antipsychotic;

(e) any formulary oral or inhaled nonbiologic generic prescription drug that is not listed as a specialty tier drug by medicare Part D, or within any of the schedules of controlled substances found at 21 CFR 1308.11 through 21 CFR 1308.15 or the schedules of controlled substances found in Title 50, chapter 32;

(f) any formulary nonspecialty inhaled prescription drug, generic or brand name, for the treatment of asthma, chronic obstructive pulmonary disease, or chronic lung disease;

(g) formulary generic or brand name insulin for patients diagnosed with diabetes;

(h) any prescription drug, generic or brand name, prescribed for treatment of a substance use disorder, provided that the drug is approved by the U.S. food and drug administration for treatment of substance use disorder and the prescription does not exceed the U.S. food and drug administration labeled dosages;  or

(i) any prescription drug, generic or brand name, that is designated as in shortage pursuant to subsection (4).

(4)(a) For the purposes of subsection (1)(i), the list of prescription drugs within the therapeutic category of psychiatry that are in shortage on April 1, July 1, October 1, or January 1 must be determined directly from the official shortage list published by the United States food and drug administration on those dates.  The quarterly static list remains in effect until the next quarterly date.

(b) A manufacturer of a prescription drug subject to subsection (1)(i) may not engage in predatory pricing or marketing related to any shortage described in this section.  A violation of this subsection (4)(b) is subject to enforcement and penalty under Title 30, chapter 14, part 1.