What does 893.13-6a - drugs-possess cntrl sub wo prescription mean?

The phrase "893.13-6a - drugs-possess cntrl sub wo prescription" refers to a legal code, specifically in the context of drug-related offenses. It indicates a charge for possession of a controlled substance without a valid prescription, which is a violation of drug laws. This offense typically involves illegal drugs that are regulated due to their potential for abuse or dependency. The code "893.13-6a" is part of the statutory framework used to categorize and penalize such offenses.