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.
There are three layers of meninges around the brain and spinal cord (these are continuous between the two structures). The outermost layer is the Dura mater, the toughest and â¦ most protective layer. The middle is the arachnoid layer, and the pia mater is the innermost layer.The protective layers of the brain are the 3 meninges. From the outermost layer to the innermost layer, they are the dura mater, the arachnoid, and the pia mater.he meninges are composed of the 1) Dura mater is the layer of meninges closest to â¦ the skull resting on top of the arachnoid membrane attached to the skull in several pints, the dura mater is made up of a fibrous material that protect the brain like tight-fitting cap.