CAISS Extremity Injuries 3

Question 1

A patient sustains a closed femoral neck fracture. What AIS severity score is typically assigned?

Accepted Answer

AIS 3

Answer

A closed femoral neck fracture is coded AIS 3 (serious) in the AIS dictionary.

Question 2

In AIS coding of extremity injuries, what does 'NFS' (Not Further Specified) indicate?

Accepted Answer

Specific anatomic detail is unavailable for precise coding

Answer

NFS codes are used when documentation lacks sufficient detail to assign a more specific AIS descriptor.

Question 3

Which of the following tibial injuries would be coded at the highest AIS severity?

Accepted Answer

Open tibial shaft fracture with compartment syndrome

Answer

An open tibial shaft fracture with compartment syndrome is the most severe option, reflecting both soft-tissue and perfusion compromise.

Question 4

How are bilateral lower extremity fractures handled in AIS scoring?

Accepted Answer

Each injury is coded independently contributing to ISS calculation

Answer

Each injury is coded and scored independently; bilateral injuries each contribute to the overall Injury Severity Score.

Question 5

A laceration of the femoral artery at the groin without associated fracture is classified under which AIS body region?

Accepted Answer

Lower extremity

Answer

Femoral artery injuries are classified under the lower extremity region in the AIS coding system.

(CAISS) Certified Abbreviated Injury Scale Specialist Practice Test