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2009 ICD-9-CM
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850 Concussion
Includes: commotio cerebri
Excludes: concussion with:
cerebral laceration or contusion (851.0-851.9)
cerebral hemorrhage (852-853)
head injury NOS (959.01) | |
 eicd10 | 850.0 With no loss of consciousness
Concussion with mental confusion or disorientation, without loss of consciousness |
 | 850.1 With brief loss of consciousness
Loss of consciousness for less than one hour |
| eicd10 | 850.2 With moderate loss of consciousness
Loss of consciousness for 1-24 hours |
| eicd10 | 850.3 With prolonged loss of consciousness and return to pre-existing conscious level
Loss of consciousness for more than 24 hours with complete recovery |
| eicd10 | 850.4 With prolonged loss of consciousness, without return to pre-existing conscious level |
| eicd10 | 850.5 With loss of consciousness of unspecified duration |
| eicd10 | 850.9 Concussion, unspecified |