Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Ectopic Kidney ?
    ### Response:
    A health care provider may use one or more of the following imaging tests to diagnose an ectopic kidney:
                
- Ultrasound. An ultrasound uses a device, called a transducer, that bounces safe, painless sound waves off organs to create an image of their structure.
    