Per 45 C.F.R. § 75.430(i)(5), a Random Moment Time Study (RMTS) is a type of “substitute system” used for determining and documenting time spent on, and therefore the costs of, Medicaid administrative and direct service activities. Per page 108 of the 2023 Comprehensive Guide to Medicaid Services and Administrative Claiming, a RMTS is a statistically valid sampling methodology that can be used by States and LEAs to determine how much time eligible staff spend performing Medicaid reimbursable work activities. The RMTS is used to determine a statistic that is applied to salary and fringe benefits for qualified providers and reported on a cost report for direct medical services. A RMTS is generally used in an allocation of a cost pool to allowable medical, administrative (if applicable), and unallowable moments that is further allocated to Medicaid using a Medicaid Eligibility Ratio (MER). The RMTS and supporting documents become part of the documentation for the claim. The RMTS is used to determine a statistic that is applied to salary and fringe benefits for qualified providers and to other payable costs that are reported on a cost report for direct medical services.
A RMTS must reflect all of the time and activities (whether allowable or unallowable under Medicaid) performed by school employees. The RMTS sample universe (or Participant List) should include all staff who potentially perform Medicaid direct services or administrative activities. LEAs should consider both job title and job function when determining which individual staff members should be included in which cost pool.