ICD-10-CM > R00-R99 > R40-R46 > R40 > R40.2 > R40.24 > R40.241 R40.241 Glasgow coma scale score 13-15 Non-Billable/Non-Specific Codes R40.2410..., unspecified timeR40.2411..., in the field [EMT or ambulance]R40.2412..., at arrival to emergency departmentR40.2413..., at hospital admissionR40.2414..., 24 hours or more after hospital admission