| Full description | Coma scale, eyes open, never, at arrival to emergency department |
| Billable | Yes |
| Chapter | Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) |
| Section | Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46) |
| Parent code | R40.211 — Coma scale, eyes open, never |