If a covered employee or dependent has not filed a claim with the Commission for the death or disability of the covered employee, an employer or insurer may not pay, in whole or in part, any compensation under Labor and Employment Article, Title 9, Annotated Code of Maryland. If a covered employee or dependent has not filed a claim with the Commission for the death or disability of the covered employee, an employer or insurer may pay or contest charges for medical and other services under Labor and Employment Article, Title 9, Subtitle 6, Part IX or Part XIII, Annotated Code of Maryland. An employer or insurer shall pay uncontested medical charges promptly after receipt.