- CodeDescription
- 00N0 Brain
- 00N1 Cerebral Meninges
- 00N2 Dura Mater
- 00N6 Cerebral Ventricle
- 00N7 Cerebral Hemisphere
- 00N8 Basal Ganglia
- 00N9 Thalamus
- 00NA Hypothalamus
- 00NB Pons
- 00NC Cerebellum
- 00ND Medulla Oblongata
- 00NF Olfactory Nerve
- 00NG Optic Nerve
- 00NH Oculomotor Nerve
- 00NJ Trochlear Nerve
- 00NK Trigeminal Nerve
- 00NL Abducens Nerve
- 00NM Facial Nerve
- 00NN Acoustic Nerve
- 00NP Glossopharyngeal Nerve
- 00NQ Vagus Nerve
- 00NR Accessory Nerve
- 00NS Hypoglossal Nerve
- 00NT Spinal Meninges
- 00NW Cervical Spinal Cord
- 00NX Thoracic Spinal Cord
- 00NY Lumbar Spinal Cord