If an accident results in a serious injury, several agencies $($i$.$e$.,$ the company's insurer, the state agency, and the state's federal counterpart$)$ must be notified. All of the following are considered to be a serious injury EXCEPT for $\_\_\_\_\_\_.$

Group of answer choices

it requires more than $24$ hours of active medical treatment

fatality

requirement of $24/7$ medical observation

loss of a limb