A PET scan of the myocardium using O-15 would be reported with which code?

The appropriate code for a PET scan of the myocardium using O-15 is accurately represented in the first option. The coding structure for ICD-10-PCS encompasses several key components: the section, body system, root operation, body part, approach, device, and qualifier.

In this case, the code begins with 'C', indicating a diagnostic imaging procedure, specifically referring to the cardiovascular system. The '23' in the code signifies that the procedure is targeting the myocardium, while 'G' represents a specific imaging technique. The remaining characters within the code indicate the use of a radiopharmaceutical, which in this case is the O-15 used during the PET scan.

This code effectively captures the specific details of the procedure being performed, the body system involved, and the substance utilized, aligning with the guidelines for coding diagnostic imaging. Other codes you might encounter could pertain to different systems, additional qualifications, or distinct methodologies and would not accurately reflect the detailed nature of this particular scanning procedure.