I97: Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified
I97.7: Intraoperative cardiac functional disturbances

excludes2
acute pulmonary insufficiency following thoracic surgery (J95.1)
postprocedural cardiac functional disturbances (I97.1-)
I97.71: Intraoperative cardiac arrest
I97.79: Other intraoperative cardiac functional disturbances

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