Diagnosis	Duration (days)
Lumbago	7
Sciatica	8
Backache, unspecified	10
Spondylosis of unspecified site	12
Other unspecified back disorders	14
Degeneration of lumbar intervertebral disk	19
Lumbosacral neuritis or radiculitis	20
Intervertebral disk disorders	33
Displacement of lumbar intervertebral disk without myelopathy	44