How do OIICS Event and Source Codes compare to ICD external cause codes?
The International Classification of Diseases (ICD) coding system includes a classification structure for external causes of morbidity and mortality to characterize environmental events, circumstances, and conditions as the cause of an injury, poisoning, or other adverse effect. The ICD external cause codes include major divisions that cover incidents involving transportation; falls; exposure to mechanical forces, electrical current, radiation, temperature extremes, and smoke or fire; drowning; contact with hot or cold objects; poisoning; overexertion; and intentional injuries from violence, legal intervention, and self-harm. At the major division level the OIICS event or exposure and ICD external cause schemes are quite similar. At a more detailed level the ICD codes tend to specify the injury source at a macro level in combination with the event. Because the OIICS uses two codes to specify the event and injury source, the OIICS allows far more specificity in coding than the ICD extern
