ICD-10 Code I97.790 – Other intraoperative cardiac functional disturbances during cardiac surgery (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code I97.790 – Other intraoperative cardiac functional disturbances during cardiac surgery
What it is
This code identifies a cardiac functional disturbance that occurs during cardiac surgery and is not classified elsewhere. Use it for an intraoperative heart-related problem documented by the surgeon or anesthesiologist.
Clinical signs
Clinical features vary; refer to documentation. You may see unexpected changes in cardiac function during the operation, such as rhythm or pumping abnormalities noted by the operative team.
When to use this code
Use this code when the record clearly states an intraoperative cardiac functional disturbance occurred during cardiac surgery and no more specific code fits. It is appropriate for operative or anesthesia documentation describing a cardiac complication arising during the procedure. Check documentation if the note only mentions a general postoperative issue.
Do not use for
Do not use this code for routine postoperative cardiac problems, preexisting heart disease, or complications unrelated to the surgery itself. If the documentation specifies a different intraoperative cardiac complication, code that condition instead.
Coding tip
Confirm the event happened during cardiac surgery and that the provider documents it as a distinct intraoperative disturbance.