Maryland Code, Insurance § 15-1A-19

(a)(1) In this section, “cost-sharing” means any expenditure required by or on behalf of an insured individual with respect to essential health benefits.

(2) “Cost-sharing” includes:

(3) “Cost-sharing” does not include premiums, balance billing amounts for nonnetwork providers, or spending for noncovered services.

(b)(1) Except as provided in paragraph (2) of this subsection, each carrier shall comply with annual limitations on cost-sharing for essential health benefits covered under health benefit plans as established by 45 C.F.R. § 156.130.

(2) If the Commissioner adopts regulations as described in subsection (c) of this section, each carrier shall comply with the adopted regulations.

(1) establish annual limitations on cost-sharing; and

(2) are consistent with 45 C.F.R. § 156.130 and any corresponding federal rules and guidance as those provisions were in effect December 1, 2019.