Controlled Substances - As enacted, clarifies that a substance that is approved by the U.S. food and drug administration and designated or scheduled under federal law by a final order published in the Federal Register, is generally considered to be in the same schedule as such substance is designated or scheduled under the federal schedule of controlled substances after the expiration of 30 days from the date of publication of the final order; authorizes a licensed healthcare prescriber who is authorized to prescribe controlled substances to prescribe a drug product that has been so scheduled if certain other criteria is met. - Amends TCA Title 39; Title 53; Title 63 and Title 68. HB2136 has been assigned Public Chapter Number 1008 by the Secretary of State.