Diffuse TBI w LOC of unsp duration, sequela

This code signifies a lasting effect or complication resulting from a diffuse traumatic brain injury (TBI) where the patient experienced a period of unconsciousness of unknown length at the time of the original injury. It indicates that the initial TBI was widespread rather than localized and that the patient is now presenting with a sequela directly attributable to that past injury.

Use this code when documenting a current condition or symptom that is a chronic or residual effect of a previously sustained diffuse TBI with an unrecorded duration of loss of consciousness. This applies when the acute phase of the injury has passed, and the patient is being treated for the long-term consequences. Documentation should clearly link the current sequela to the prior diffuse TBI.

• This "S" code indicates a sequela, meaning it should be used for residual conditions after the acute injury has healed.
• Always sequence the code for the specific sequela (e.g., cognitive deficits, post-traumatic epilepsy) first, followed by this code.
• Ensure documentation explicitly states "diffuse TBI" and "loss of consciousness" for this code to be appropriate. If the duration of LOC is known, a more specific code should be used.