Md. Code, Labor and Employment § 9-656
Md. Code, Labor and Employment § 9-656
in effect(a) If it appears that a permanent disability of a covered employee following an accidental personal injury or occupational disease is due partly to the accidental personal injury or occupational disease and partly to a preexisting disease or infirmity, the Commission shall determine:
(1) the proportion of the disability that is reasonably attributable to the accidental personal injury or occupational disease; and
(2) the proportion of the disability that is reasonably attributable to the preexisting disease or infirmity.
(b) The covered employee:
(1) is entitled to compensation for the portion of the disability of the covered employee that is reasonably attributable solely to the accidental personal injury or occupational disease; and
(2) is not entitled to compensation for the portion of the disability that is reasonably attributable to the preexisting disease or infirmity.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gle§ion=9-656&enactments=falseFetched: 10/17/2026