048-30 Wyo. Code R. § 30-2
(a) This Chapter shall apply to and govern Medicaid reimbursement of inpatient hospital services, other than specialty services, for individuals admitted on or after its effective date. Inpatient hospital services are also subject to the provisions of Chapters 3, 8, 9, 24, 31, 32, 37 and 39 of these rules, except as otherwise specified in this Chapter.
(b) The Department may issue Provider Manuals, Provider Bulletins, or both, to providers and/or other affected parties to interpret the provisions of this Chapter. Such Provider Manuals and Provider Bulletins shall be consistent with and reflect the policies contained in this Chapter. The provisions contained in Provider Manuals or Provider Bulletins shall be subordinate to the provisions of this Chapter.
048-30 Wyo. Code R. § 30-2