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Codes used to classify environmental events, circumstances and conditions, such as cause of injury, poisoning and other adverse events that is specific to ICD-9-CM are? 1) E codes 2) O codes 3) P codes 4) V codes

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Final answer:

The codes specific to ICD-9-CM used to classify environmental events and circumstances such as injury and poisoning are known as E codes. These are used across the healthcare industry in areas such as clinical treatment, medical billing and records keeping, and epidemiology.

Step-by-step explanation:

The codes that are used to classify environmental events, circumstances, and conditions such as cause of injury, poisoning, and other adverse events in relation to ICD-9-CM are E codes. These codes are utilized across various sectors of the healthcare industry. For example, when a patient seeks treatment for a viral infection, clinicians use ICD codes to order laboratory tests and prescribe treatments specific to the suspected virus. This ICD code is then used by medical laboratories to identify which tests need to be performed to confirm the diagnosis. Furthermore, these codes are used in medical billing and coding, vital records keeping and by epidemiologists for calculating morbidity and mortality statistics.

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