S66.518A
ICD-10-CMStrain of intrinsic muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
This code signifies a non-traumatic overstretching or tearing of the intrinsic muscles, fascia, or tendons within a finger other than the thumb, specifically at the wrist or hand level. This injury does not involve a fracture or dislocation but rather soft tissue damage from overuse or sudden stress.
Apply this code when documenting an initial presentation of a strain to the intrinsic musculature, fascia, or tendons of the index, middle, ring, or little finger. This is appropriate for injuries sustained during activities like repetitive gripping, typing, or playing musical instruments, where the patient is seeking initial treatment for the condition.
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