This topic includes workers' compensation definitions for shifts and for injury types
for the United States and Japan.
U.S. shift definitions
Shift |
Time |
Day |
9:00 a.m. to 4:59 p.m. |
Night |
7:00 p.m. to 6:59 a.m. |
Evening / Commute |
7:00 a.m. to 8:59 a.m. and 5:00 p.m. to 6:59 p.m. |
Japan
shift definitions
Shift |
Time |
Morning (Day) |
6:00 a.m. to 5:59 p.m. |
Night |
6:00 p.m. to 5:59 a.m. |
Injury type definitions
U.S. Severity Level |
Japan Severity Level |
Description |
Minor |
Outpatient |
Injuries requiring basic medical aid without requiring
hospitalization. |
Moderate |
Hospitalization and Surgery |
Injuries requiring a greater degree of medical care and hospitalization,
but not expected to progress to a life threatening status. |
Major |
Disability |
Injuries that pose an immediate life-threatening condition if not
treated adequately or expeditiously. The majority of these injuries are the
result of structural collapse and subsequent entrapment or impairment of the
occupants. |
Fatal |
Death |
Instantaneously killed or mortally injured. |