| Billable | No — use a more specific child code |
| 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 | R40.24 — Glasgow coma scale, total score |
| Requires 7th character | Yes |