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)
850.1 With brief loss of consciousness
Loss of consciousness for less than one hour
850.11: With loss of consciousness of 30 minutes or less
850.12: With loss of consciousness from 31 to 59 minutes
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