Other and unspecified cerebral laceration and contusion without open intracranial wound with brief (less than one hour) loss of consciousness
Convert to ICD-10-CM: 
851.82 converts approximately to:
- 2015/16 ICD-10-CM S06.331A Contusion and laceration of cerebrum, unspecified, with loss of consciousness of 30 minutes or less, initial encounterOr: 
- 2015/16 ICD-10-CM S06.332A Contusion and laceration of cerebrum, unspecified, with loss of consciousness of 31 minutes to 59 minutes, initial encounter