SUPPLEMENTARY CLASSIFICATION OF EXTERNAL CAUSES OF INJURY AND POISONING (E000-E999)
This section is provided to permit the classification of environmental events, circumstances, and conditions as the cause of injury, poisoning, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used in addition to a code from one of the main chapters of ICD-9-CM, indicating the nature of the condition. Certain other conditions which may be stated to be due to external causes are classified in Chapters 1 to 16 of ICD-9-CM. For these, the "E" code classification should be used as an additional code for more detailed analysis.
Machinery accidents [other than those connected with transport] are classifiable to category E919, in which the fourth digit allows a broad classification of the type of machinery involved.
Categories for "late effects" of accidents and other external causes are to be found at E929, E959, E969, E977, E989, and E999.
SURGICAL AND MEDICAL PROCEDURES AS THE CAUSE OF ABNORMAL REACTION OF PATIENT OR LATER COMPLICATION,WITHOUT MENTION OF MISADVENTURE AT THE TIME OF PROCEDURE (E878-E879)
Includes:
procedures as the cause of abnormal reaction, such as:
displacement or malfunction of prosthetic device
hepatorenal failure, postoperative
malfunction of external stoma
postoperative intestinal obstruction
rejection of transplanted organ
Excludes:
anesthetic management properly carried out as the cause of adverse effect (E937.0-E938.9)
infusion and transfusion, without mention of misadventure in the technique of procedure (E930.0-E949.9)
E878: Surgical operation and other surgical procedures as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at the time of operation
E879: Other procedures, without mention of misadventure at the time of procedure, as the cause of abnormal reaction of patient, or of later complication

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