Mo. Rev. Stat. § 338.530: Offset against Medicaid payments due by pharmacy permitted, when.

The director of the department of social services may offset the tax owed by a pharmacy against any Missouri Medicaid payment due such pharmacy, if the pharmacy requests such an offset. The amounts to be offset shall result, so far as practicable, in withholding from the pharmacy an amount substantially equal to the assessment due from the pharmacy. The office of administration and the state treasurer may make any fund transfers necessary to execute the offset.