What is medical procedure 78227?

Medical procedure 78227 refers to a specific imaging study known as a "Myocardial perfusion imaging, single photon emission computed tomography (SPECT), with or without exercise." This procedure is used to assess blood flow to the heart muscle and can help diagnose conditions such as coronary artery disease. It typically involves the injection of a radioactive tracer and imaging to evaluate how well blood is perfusing the heart tissue.