Medical Billing & Coding Reminder: “E” Codes Cannot Be Primary Dx
ICD-9 diagnosis codes that begin with an “E” indicate the external causes of injuries and poisonings, as well as the adverse effects of drugs and substances. For example, E905.3 is used to report a hornet/wasp/bee sting; E880.0 for a fall from stairs or escalator; E851 for accidental poisoning by barbiturates. E codes are meant to […]
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