Texas Government Code - GOV'T § 540.0901. Preferred Drug List Exceptions

(A) is contraindicated;

(B) will likely cause an adverse reaction in or physical or mental harm to the recipient;  or

(C) is expected to be ineffective based on the known clinical characteristics of the recipient and the known characteristics of the prescription drug regimen;

(A) was not effective;

(B) had a diminished effect;  or

(C) resulted in an adverse event;

(A) was prescribed the nonpreferred drug before being discharged from an inpatient facility;

(B) is stable on the nonpreferred drug;  and

(C) is at risk of experiencing complications from switching from the nonpreferred drug to another drug;  or

(A) the drug is in short supply according to the Food and Drug Administration Drug Shortages Database;  or

(B) the drug's manufacturer has placed the drug on backorder or allocation.