CPT® Code 61050

A cisternal or lateral cervical (C1-C2) puncture is a medical procedure that involves the insertion of a spinal needle into the cisternal or lateral cervical region of the spine, specifically at the C1-C2 vertebral level. This procedure is performed to access the cerebrospinal fluid (CSF) for diagnostic or therapeutic purposes. The puncture can be done without the injection of any substances, which is the focus of CPT® Code 61050. During the procedure, the needle is carefully placed below the occipital bone at the back of the skull, or alternatively, the subarachnoid space can be accessed from a lateral approach. The needle is stabilized by the surrounding muscles in the neck, ensuring accurate placement. Once the needle is inserted, the stylet—a thin rod that maintains the needle's patency—is removed, allowing for the drainage of cerebrospinal fluid and potentially blood. After the desired amount of fluid is collected, the stylet is reinserted to close the needle, and a dressing is applied to the puncture site. It is important to note that if the procedure involves the injection of medication or other substances, such as contrast media or dye, CPT® Code 61055 should be used instead. This distinction is crucial for accurate coding and billing purposes.