CPT® Code 62318

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Injection(s), including indwelling catheter placement, continuous infusion or intermittent bolus, of diagnostic or therapeutic substance(s) (including anesthetic, antispasmodic, opioid, steroid, other solution), not including neurolytic substances, includes contrast for localization when performed, epidural or subarachnoid; cervical or thoracic

The procedure described by CPT® Code 62318 involves the injection of diagnostic or therapeutic substances into the epidural or subarachnoid space, specifically in the cervical or thoracic regions. This procedure includes the placement of an indwelling catheter, which allows for either continuous infusion or intermittent bolus administration of various substances. The substances that may be injected include anesthetics, antispasmodics, opioids, steroids, and other solutions, but do not include neurolytic substances. The process begins with the cleansing of the skin at the catheterization site using an antiseptic solution, followed by the administration of a local anesthetic to minimize discomfort. A spinal needle is then carefully inserted into the skin and advanced into the targeted space. To confirm the correct placement of the needle, contrast may be injected, which can also assist in performing an epidurography. Once the needle is properly positioned, a catheter is threaded through it and advanced into the epidural or subarachnoid space, typically by 3-4 cm to ensure secure placement. After the catheter is in place, the therapeutic or diagnostic substance is administered, and the patient is monitored for 15-20 minutes to observe for any adverse reactions. This procedure is essential for managing pain and delivering medication directly to the spinal area, enhancing therapeutic outcomes for patients.