CPT Code(s) 87086. If culture is positive, CPT code(s): 87088 (each isolate) will be added with an additional charge. Identification will be performed at an additional charge (CPT code(s): 87077 or 87140 or 87143 or 87147 or 87149).
The Meninges. The meninges are three layers of protective tissue called the dura mater, arachnoid mater, and pia mater that surround the neuraxis. The meninges of the brain and spinal cord are continuous, being linked through the magnum foramen.Dura Mater The dura mater is the most superior of the meningeal layers.he meninges are three layers of protective tissue called the dura mater, arachnoid mater, and pia mater that surround the neuraxis. The meninges of the brain and spinal cord are continuous, being linked through the magnum foramen. Dura Mater.
These membranes surround the organs of the dorsal cavity that is, the brain and the spinal cord. There are three layers of tissue in the meninges: the pia mater, the arachnoid mater, and the dura mater. The pia mater (the name means tender mother) lies closest to the brain and the spinal cord.