A driver is examined after a car accident, and no injury or condition is found. Which code applies?
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Answer:
When a person is examined after an accident and no injury or condition is found, an observation code from category Z04 is used, here Z04.1 for a transport accident. A reports an injury that was not found. B uses a nonspecific illness code rather than the observation code. C is wrong because every encounter requires a reason-for-encounter code.
Source: ICD-10-CM Official Guidelines for Coding and Reporting, Section I.C.21.c.6
