| | Surgeries Operations | Operations What is procedure code 90658? Procedure code 90658 is used for the insertion of a permanent epidural catheter with pharmacologic testing when used in conjunction with fluoroscopy. Operations - Related Articles Sources of Phosphatidylserine How does the cup b size 32 bra look like? How to Communicate to Hospital Patients Effectively How to Treat Anorexia Nervosa To stop being tried from herpes? Long-Term Physical & Health Effects of Alcohol Abuse How Does the Eye Use Light?