Md. Code, Insurance § 19–404

(a) A workers’ compensation insurance policy issued or delivered in the State may provide for deductibles.

(b) When a claim is payable under a workers’ compensation insurance policy with deductibles:

(1) the insurer shall pay the claim including any applicable deductible; and

(2) the employer shall reimburse the insurer for any amount paid up to the limit of any applicable deductible.