FB41 Spontaneous rupture of synovium or tendon

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

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.

exclusions

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

sections/codes in this section ()

• Spontaneous rupture of popliteal cyst  (FB41.0)
• Spontaneous rupture of synovium  (FB41.1)
• Spontaneous rupture of tendon  (FB41.2)
• Other specified spontaneous rupture of synovium or tendon  (FB41.Y)
• Spontaneous rupture of synovium or tendon, unspecified  (FB41.Z)

coding note

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

postcoordination

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