an acute, subacute, or chronic painful state of muscles, subcutaneous tissues, ligaments, tendons, or fasciae caused by a number of agents such as trauma, strain, occupation, exposure, posture, infection, or arthritis.
Inflammation and fibrous degeneration of a muscle.
A common nonarticular rheumatic condition that is characterized by muscle pain, tenderness, and stiffness.
Also applicable to/known as
Fibromyositis NOS
ICD-9-CM Volume 2 Index Entries That Refer To 729.1