As used in this chapter, the following definitions shall apply:

“Mobile service unit” or “mobile unit” means a special purpose commercial coach as defined in Section 18012.5, or a commercial coach as defined in Section 18001.8, that provides services as set forth in Section 1765.110, and meets any of the following criteria:

(A) Is approved pursuant to this chapter by the state department as a service of a licensed health facility, as defined in Section 1250.

(B) Is approved by the state department pursuant to this chapter as a service of a licensed clinic, as defined in Section 1200.

(C) Is licensed pursuant to this chapter by the state department as a clinic, as defined in Section 1200.

(D) Is licensed pursuant to this chapter as an “other” type of approved mobile unit by the state department. “Other” types of approved mobile units shall be limited to mobile units performing services within new health facility or clinic licensure categories created after the effective date of this chapter. The State Department of Health Services shall not create a new health facility or clinic licensure category under this subparagraph absent a legislative mandate.