R40.213 Coma scale, eyes open, to soundNon-billable ICD-10-CM code.
R40.2A Nontraumatic coma due to underlying condition ("coma scale, eyes open (R40.21.-)")R40.0 Somnolence ("coma (R40.2-)")R40.1 Stupor ("coma (R40.2-)")R55 Syncope and collapse ("unconsciousness NOS (R40.2-)")R41.82 Altered mental status, unspecified ("altered level of consciousness (R40.-)")T67.0 Heatstroke and sunstroke ("coma and stupor (R40.-)")R40.2120 Coma scale, eyes open, to pain, unspecified timeR40.2121 Coma scale, eyes open, to pain, in the field [EMT or ambulance]R40.2122 Coma scale, eyes open, to pain, at arrival to emergency departmentR40.2123 Coma scale, eyes open, to pain, at hospital admissionR40.2124 Coma scale, eyes open, to pain, 24 hours or more after hospital admissionR40.213 Coma scale, eyes open, to sound (this code)R40.2130 Coma scale, eyes open, to sound, unspecified timeR40.2131 Coma scale, eyes open, to sound, in the field [EMT or ambulance]R40.2132 Coma scale, eyes open, to sound, at arrival to emergency departmentR40.2133 Coma scale, eyes open, to sound, at hospital admissionR40.2134 Coma scale, eyes open, to sound, 24 hours or more after hospital admission