S66.291A
ICD-10-CMOther specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
This code signifies an injury to an extensor muscle, fascia, or tendon of the right thumb, specifically located at the wrist or hand level. This injury is not a strain, sprain, laceration, or rupture, but rather another specified type of damage.
Use this code for initial encounters where a patient presents with a right thumb extensor injury at the wrist/hand that doesn't fit more specific categories like a complete rupture or a simple strain. Examples include partial tears, contusions, or other specified trauma to these structures.
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