55 Pa. Code § 1150.1
The MA Program provides payments for specific medically necessary medical services and items covered by the Program and furnished to eligible recipients by approved providers enrolled in the Program. Payment for these services and items is subject to the provisions and limitations of this chapter, Chapter 1101 (relating to general provisions), and the specific chapters for each provider type. To the extent that this chapter conflicts with the regulations that relate to reimbursement for various services or items contained in the specific MA provider chapters in effect on January 1, 1983, this chapter will control. To the extent that this chapter does not address a reimbursement question answered by a regulation contained in a specific provider chapter, the regulation in the specific provider chapter controls.
55 Pa. Code § 1150.1