Spontaneous rupture of synovium or tendon

Description

This is a spontaneous rupture to a fluid-filled sac containing viscous fluid which normally acts to decrease friction and also provides a cushion between bones and tendons and/or muscles around a joint.

Coding note

Includes rupture that occurs when a normal force is applied to tissues that are inferred to have less than normal strength.

Excludes

• 22 – rupture where an abnormal force is applied to normal tissue - see injury of tendon by body region
• FB53.1 – rotator cuff syndrome

Exclusions from above levels

• 01 – Certain infectious or parasitic diseases
• 05 – Endocrine, nutritional or metabolic diseases
• 18 – Complications of pregnancy, childbirth and the puerperium