Using the medical billing code 59025 can be a sticky situation. This is an example of a current procedural terminology code that is often misused in medical billing offices. There are certain instances when the code 59025 is appropriate, and other times it is not appropriate in medical billing. The medical billing code 59025 means fetal non-stress test. A non-stress test is used to detect accelerations in the fetal heart rate over a 20-40 minute window. If no accelerations are found, the physician uses instruments to stimulate the baby or wake the baby up into a moving state. To be considered a true non-stress test in medical billing, these elements, …