| MDC 1 Diseases & Disorders of the Nervous System |
| Nontraumatic Stupor and Coma |
| E035 | Myxedema coma |
| G935 | Compression of brain |
| G936 | Cerebral edema |
| G9382 | Brain death |
| R400 | Somnolence |
| R401 | Stupor |
| R4020 | Unspecified coma |
| R402110 | Coma scale, eyes open, never |
| R402111 | Coma scale, eyes open, never |
| R402112 | Coma scale, eyes open, never |
| R402113 | Coma scale, eyes open, never |
| R402114 | Coma scale, eyes open, never |
| R402120 | Coma scale, eyes open, to pain |
| R402121 | Coma scale, eyes open, to pain |
| R402122 | Coma scale, eyes open, to pain |
| R402123 | Coma scale, eyes open, to pain |
| R402124 | Coma scale, eyes open, to pain |
| R402210 | Coma scale, best verbal response, none |
| R402211 | Coma scale, best verbal response, none |
| R402212 | Coma scale, best verbal response, none |
| R402213 | Coma scale, best verbal response, none |
| R402214 | Coma scale, best verbal response, none |
| R402220 | Coma scale, best verbal response, incomprehensible words |
| R402221 | Coma scale, best verbal response, incomprehensible words |
| R402222 | Coma scale, best verbal response, incomprehensible words |
| R402223 | Coma scale, best verbal response, incomprehensible words |
| R402224 | Coma scale, best verbal response, incomprehensible words |
| R402310 | Coma scale, best motor response, none |
| R402311 | Coma scale, best motor response, none |
| R402312 | Coma scale, best motor response, none |
| R402313 | Coma scale, best motor response, none |
| R402314 | Coma scale, best motor response, none |
| R402320 | Coma scale, best motor response, extension |
| R402321 | Coma scale, best motor response, extension |
| R402322 | Coma scale, best motor response, extension |
| R402323 | Coma scale, best motor response, extension |
| R402324 | Coma scale, best motor response, extension |
| R402340 | Coma scale, best motor response, flexion withdrawal |
| R402341 | Coma scale, best motor response, flexion withdrawal |
| R402342 | Coma scale, best motor response, flexion withdrawal |
| R402343 | Coma scale, best motor response, flexion withdrawal |
| R402344 | Coma scale, best motor response, flexion withdrawal |
| R403 | Persistent vegetative state |