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Diagnostic ECGs done prior to, or after, a heart catheterization or coronary angiogram are separately billable with modifier 59
Our revenue integrity department says that we cannot assign a separate CPT® code for any electrocardiogram (ECG) on the same day as a heart catheterization/coronary angiogram. Is that true? They have been removing the charges.
No, it is not correct. Diagnostic ECGs done prior to or after the heart catheterization/coronary angiogram are separately billable with modifier 59. ECGs done as monitoring during the heart catheterization are not separately billable.