ICD-9-CM 780.01 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Diagnosis Definition(s)
profound state of unconsciousness associated with depressed cerebral activity from which the individual cannot be aroused; coma generally occurs when there is dysfunction or injury involving both cerebral hemispheres or the brain stem.
2011 ICD-9-CM Diagnosis Code 
780.01
