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Q: ICD-10 Practice Question: I am having a little trouble on this practice question, maybe I’m only over thinking. Can you help? Thank you.”
You know what, what an interesting thing is that you usually are over thinking it A 23-year-old male who previously suffered a metacarpal fracture of the left hand, 2nd metacarpal bone, as the result of a gunshot wound develops a non-union of the metacarpal.
A: You know what, I honestly don’t know if I answered this. I don’t think I did. So, let’s talk through it. One of things that is different in ICD-10 than ICD-9 is when a person comes in for a sequela which is a late effect and this person has a late effect, it’s a nonunion of the metacarpal. And the metacarpal bones are in the hand, you have the carpals are the little square bones, and then the long bones in the hands are the metacarpals. Then you have the phalanges, then you have the digits; your phalanges are your fingers. So, the long bones that are between your wrist and that first knuckle in
your hand that you can feel in there, those long bones, that’s the metacarpals. So obviously, this guy has an injury; he had a gunshot wound in the hand, and it developed a nonunion (the bones didn’t stay lined up). [Ed. Note: Definition of nonunion: failure of the ends of a fractured bone to unite.]