S66.021S
ICD-10-CMLaceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
This code describes a past injury involving a tear or cut to the long flexor muscle, its surrounding fascia, and the associated tendon in the right thumb, specifically at the wrist or hand level. The "sequela" designation indicates that this code is used for complications or conditions arising as a direct result of the initial injury, even after the acute phase has passed.
Use this code when documenting a chronic condition, long-term complication, or residual effect stemming from a previous laceration of the right thumb's long flexor structures. This includes scenarios such as chronic pain, restricted range of motion, weakness, or other functional impairments directly attributable to the original injury. It is appropriate for follow-up encounters after the initial wound has healed.
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