Displacement Cardiography

20.24 - Displacement Cardiography (Rev. 1, 10-03-03) CIM 50-50 Displacement cardiography, including cardiokymography and photokymography, is a noninvasive diagnostic test used in evaluating coronary artery disease. A. Cardiokymography Cardiokymography is covered for services rendered on or after October 12, 1988. Cardiokymography is a covered service only when it is used as an adjunct to electrocardiographic stress testing in evaluating coronary artery disease and only when the following clinical indications are present: • For male patients, atypical angina pectoris or nonischemic chest pain; or • For female patients, angina, either typical or atypical. B. Photokymography - Not Covered Photokymography remains excluded from coverage.