ICD-10 CM Code M66.21
M66.21
Spontaneous rupture of extensor tendons, shoulder
Includes
- rupture that occurs when a normal force is applied to tissues that are inferred to have less than normal strength
Excludes Type 2
- rotator cuff syndrome (M75.1-)
- rupture where an abnormal force is applied to normal tissue - see injury of tendon by body region
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