CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist guide – 80+ Practice Questions & Verified Answers

CAISS PRACTICE EXAM QUESTIONS
AND 100% VERIFIED ANSWERS (2025)
GRADED A+ / GUARANTEED PASS

"Blast" and inhalation injuries in the chest are coded to which organ?
- answers-lungs

"Burst" fractures are coded to which portion of the vertebra?
- answers-body

"Closed cisterns" implies what type of brain injury?
- answers-swelling

"GSW to abdomen" with no further description would be coded to External or Abdominal
ISS body region?
- answers-Abdominal

"Incomplete transection" vessel injuries are coded as what in AIS?
- answers-incomplete circumferential involvement

"Whiplash" is what type of cervical injury?
- answers-strain

(T/F) A "crush" injury to the thoracic region must be bilateral in nature?
- answers-TRUE

(T/F) A muscle tear, rupture, or avulsion is also known as a laceration.
- answers-TRUE

(T/F) A partial articular acetabulum fracture may involve one or both columns?
- answers-TRUE

(T/F) A subgaleal hematoma lies over the skull but under the scalp.
- answers-TRUE

(T/F) A vessel puncture or perforation is also known as a laceration.
- answers-TRUE

,(T/F) Abdominal compartment syndrome is a sequela of abdominal trauma and is
therefore NOT coded.
- answers-TRUE

(T/F) Air embolus and tamponade are codeable sequela in the chest ISS region.
- answers-TRUE

(T/F) Bilateral acetabulum fractures are coded separately.
- answers-TRUE

(T/F) Bilateral injures of kidneys, eyes, ears, and extremities are typically codes as
separate injuries (with some exceptions).
- answers-TRUE

(T/F) Bilateral pelvic ring structures are coded separately.
- answers-FALSE

(T/F) Brain edema accompanying a contusion or hematoma is considered part of the
lesion when assessing its size.
- answers-TRUE

(T/F) Certain findings such as IVH, SAH, SPH, and ischemic brain damager are
ALWAYS coded separately from DAI.
- answers-FALSE

(T/F) Closed and NFS fractures share the same 7 digit AIS numerical identifier.
- answers-TRUE

(T/F) Coma is included in each and every codable head injury.
- answers-FALSE

(T/F) Cord injuries and vertebral fractures are coded as separate injuries.
- answers-FALSE

(T/F) Degloving injuries may be open or closed.
- answers-TRUE

(T/F) Fetal demise as a result of abdominal injury is a codeable AIS injury.
- answers-FALSE

(T/F) If multiple fractures to a single bone exist but are not specified as to location, they
are coded as a single injury.
- answers-TRUE

, (T/F) If OIS grading descriptions are NOT available and no other descriptors are
mentioned, it is acceptable to use the terms "minor, major, or massive" as severity
descriptors of solid organ injuries.
- answers-TRUE

(T/F) In order to assign an AIS code with "blood loss > 20%" you must know to what
area of the body the blood loss is linked.
- answers-TRUE

(T/F) In the spine, dislocation and subluxation are synonymous.
- answers-TRUE

(T/F) Multiple fractures to the same bone but in different areas are coded separately.
- answers-TRUE

(T/F) Pelvic bones are coded to the abdominal ISS body region.
- answers-FALSE

(T/F) Rib fractures with underlying injuries such as a lung contusion or laceration should
be coded as one single injury combined.
- answers-FALSE

(T/F) Separate vertebral fractures should be combined when no associated spinal cord
injury is present.
- answers-FALSE

(T/F) Sequela of spinal cord injuries such as transient neurological signs, incomplete
cord syndromes, and complete cord syndromes are not codable injuries.
- answers-FALSE

(T/F) The 6 digit pre-dot codes are unique and allow for more specificity and accurate
coding?
- answers-TRUE

(T/F) The amount of compression of a vertebral body fracture will affect its AIS code
and severity.
- answers-TRUE

(T/F) The ISS has a separate body region for spine.
- answers-FALSE

(T/F) The severity of codes in AIS are NOT age adjusted in some categories.
- answers-FALSE