Head Injury Severity

Minimal Head Injury Severity

Expressions activating this band contain little or no clear evidence of head trauma and are dominated by unrelated or weakly connected content. When injury is implied, it is not specifically characterized as head injury or neurological impact.

Mild Head Injury Severity

Expressions activating this band describe isolated physical complaints or functional difficulties that can accompany minor head or neck problems, such as chewing trouble, stiffness, confusion, memory problems, or neck tightness. The injury context is limited or indirect, and acute concussion markers are not clearly established.

Moderate Head Injury Severity

Expressions activating this band describe definite injury exposure or bodily harm involving the head, neck, or related trauma context, including accidents, blasts, repeated injuries, headaches, or diagnosed neurological problems. The expression identifies injury history or threat to health but does not center on clear acute disruption of consciousness.

High Head Injury Severity

Expressions activating this band describe concussion-level trauma with acute neurological disturbance, such as being dazed, having a memory gap, or possibly losing consciousness after impact. The injury is explicitly framed as significant head trauma rather than general bodily injury.

Severe Head Injury Severity

Expressions activating this band describe blunt head trauma with explicit concussion indicators and definite loss of consciousness or being knocked out. The expression centers on substantial acute neurological impairment following head injury.

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