Unsp intcrn inj w LOC w death d/t brain inj bf consc, init

This code signifies a severe, unspecified head injury resulting in brain damage that leads to the patient's death before they ever regain consciousness. It indicates that the intracranial injury was the direct cause of mortality, and the patient remained comatose from the time of injury until death.

This code is appropriate for initial encounters where a patient sustains an intracranial injury of unknown specific type, experiences loss of consciousness of any duration, and subsequently dies due to the brain injury without ever recovering consciousness. Documentation should clearly state the cause of death as the intracranial injury and confirm the absence of any period of consciousness post-injury.

• Ensure documentation explicitly states "death due to brain injury prior to regaining consciousness" to support the 7th character 'A'.
• This code is for an "unspecified" intracranial injury; if a more specific type of injury (e.g., concussion, contusion) is documented, a more specific code should be used.
• Always sequence this code as the primary diagnosis when it represents the principal reason for the encounter and the cause of death.