Glasgow coma scale score 3-8, 24+hrs

This code indicates a severely impaired level of consciousness, as measured by a Glasgow Coma Scale (GCS) score between 3 and 8, that persists for at least 24 hours after a patient has been admitted to the hospital. A GCS score in this range signifies a deep coma or severe brain injury.

Use this code when documentation explicitly states a GCS score of 3-8 that was assessed 24 hours or more following the patient's hospital admission. This is typically seen in cases of severe traumatic brain injury, anoxic brain injury, or other critical neurological events requiring prolonged intensive care.

• Always ensure the GCS score (3-8) and the timeframe (24 hours or more post-admission) are clearly documented.
• Do not use this code for GCS scores outside the 3-8 range or for assessments made within the first 24 hours of admission.
• This code is a secondary diagnosis and should be sequenced after the primary diagnosis indicating the cause of the coma or brain injury.