S66.021A
ICD-10-CMLaceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
This code signifies a tear or cut to the long flexor muscle, its surrounding fascia, and the associated tendon in the right thumb, specifically located at the wrist or hand level. This injury typically results in pain, swelling, and impaired ability to flex the right thumb.
This code is appropriate for the initial treatment of an acute laceration affecting the specified structures of the right thumb. It should be used when a patient presents for the first time with this injury, such as following a traumatic event like a deep cut from a sharp object.
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