A: The code 321020.4 is used in this case. There is no evidence given of a laceration so the coder must use the thrombosis code, and the neurological deficit is not related to an injury to the head, but rather an injury to the neck vessel.
A: Malleolar fractures may be coded on either the tibia or fibula. AIS 2005 Update 2008 provides codes for isolated medial malleolar fractures under tibia and codes for bimalleolar and trimalleolar fractures under the fibula. Be sure to read the boxed bold directive under the fibula which reminds the coder to use Fibula NFS if
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A: The correct code is 140627.5. This question highlights the rule box on page 45 of the AIS dictionary, which directs the coder to “code only the more severe” when both corpus callosum and basal ganglia are noted. An important additional point to note is the directive If coma exceeds 24 hours, use 161011.5, no
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A: In AIS 98 the correct code is 140628.5In AIS 2005, there are two areas in which DAI may be coded. The correct code in AIS 2005 is 140627.5 Cerebrum, DAI involving corpus callosum. If the CT had noted only hemorrhages in the basal ganglia, or more broadly, petechial hemorrhages in the cerebrum, the correct
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A: Reference to the thyroid is made in the Neck chapter of the AIS dictionary under Larynx. A common coding mistake is to code thyroid cartilage injuries using the thyroid gland descriptors.