(a) A policy, plan, or contract that is issued or renewed on or after January 1, 2019, and that is subject to this article shall provide coverage, through the age of 20, for amino acid-based formula for the treatment of severe protein-allergic conditions or impaired absorption of nutrients caused by disorders affecting the absorptive surface, function, length, and motility of the gastrointestinal tract. This includes the following conditions, if diagnosed as related to the disorder by a physician licensed to practice in this state pursuant to either §30-3-1 et seq. or §30-14-1 et seq. of this code:

(1) Immunoglobulin E and Nonimmunoglobulin E-medicated allergies to multiple food proteins;

(2) Severe food protein-induced enterocolitis syndrome;

(3) Eosinophilic disorders as evidenced by the results of a biopsy; and

(4) Impaired absorption of nutrients caused by disorders affecting the absorptive surface, function, length, and motility of the gastrointestinal tract (short bowel).

(b) The coverage required by §33-25-8n(a) of this code shall include medical foods for home use for which a physician has issued a prescription and has declared them to be medically necessary, regardless of methodology of delivery.

(c) For purposes of this section, “medically necessary foods” or “medical foods” shall mean prescription amino acid-based elemental formulas obtained through a pharmacy: Provided, That these foods are specifically designated and manufactured for the treatment of severe allergic conditions or short bowel.

(d) The provisions of this section shall not apply to persons with an intolerance for lactose or soy.