Primary blast injury of brain, NEC LOC of 6-24 hrs, sequela

This code signifies a brain injury resulting from the direct impact of a blast wave, specifically when the patient experienced a loss of consciousness lasting between 6 and 24 hours. The "sequela" designation indicates that this code is used to report the long-term effects or complications of this primary blast injury, not the acute injury itself.

Use this code when documenting the residual conditions or chronic problems stemming from a primary blast brain injury where the initial loss of consciousness was between 6 and 24 hours. Documentation should clearly state the blast etiology, the duration of unconsciousness, and the current manifestation as a sequela of that past injury.

• Ensure documentation explicitly links the current condition to a primary blast injury, not secondary mechanisms like falls or penetrating trauma.
• Verify the duration of loss of consciousness from the original injury to accurately select the correct subcategory.
• This code is for sequelae; do not use it for the initial acute injury or for ongoing active treatment of the acute phase.