Maryland Labor and Employment Section 8-218
§ 8-218.
  (a)   Employment that an intern performs is not covered employment if:
    (1)   the employer is a hospital; and
    (2)   the intern has completed a 4-year course in a medical school that is chartered or approved under State law.
  (b)   Employment that a patient of a hospital performs for the hospital is not covered employment.
  (c)   Employment that a student nurse performs is not covered employment if:
    (1)   the employer is a hospital or training school for nurses; and
    (2)   the student nurse is enrolled in and regularly attending classes in a training school for nurses that is chartered or approved under State law.