R40.2Non-Billable (Header)ComaCode Firstany associated:fracture of skull (S02.-)intracranial injury (S06.-)Child CodesR40.20Unspecified comaHCC 202R40.21Coma scale, eyes openR40.22Coma scale, best verbal responseR40.23Coma scale, best motor responseR40.24Glasgow coma scale, total scoreR40.2ANontraumatic coma due to underlying conditionHCC 202Code Hierarchy└R40Somnolence, stupor and coma└R40.2Coma└R40.2Coma