| MDC 1 Diseases & Disorders of the Nervous System |
| Nonspecific Cerebrovascular Disorders |
| G3289 | Other specified degenerative disorders of nervous system in diseases classified elsewhere |
| G454 | Transient global amnesia |
| G463 | Brain stem stroke syndrome |
| G464 | Cerebellar stroke syndrome |
| G465 | Pure motor lacunar syndrome |
| G466 | Pure sensory lacunar syndrome |
| G467 | Other lacunar syndromes |
| G468 | Other vascular syndromes of brain in cerebrovascular diseases |
| G9340 | Encephalopathy, unspecified |
| G9341 | Metabolic encephalopathy |
| G9349 | Other encephalopathy |
| G9381 | Temporal sclerosis |
| G9389 | Other specified disorders of brain |
| G939 | Disorder of brain, unspecified |
| G968 | Other specified disorders of central nervous system |
| G969 | Disorder of central nervous system, unspecified |
| G980 | Neurogenic arthritis, not elsewhere classified |
| G988 | Other disorders of nervous system |
| G998 | Other specified disorders of nervous system in diseases classified elsewhere |
| I672 | Cerebral atherosclerosis |
| I6783 | Posterior reversible encephalopathy syndrome |
| I679 | Cerebrovascular disease, unspecified |
| I680 | Cerebral amyloid angiopathy |
| I688 | Other cerebrovascular disorders in diseases classified elsewhere |