CAISS – Abdomen Exam Questions and
Answers Graded A+
What does ISS define as part of the abdominal region? - Correct answer-
Skin(lower torso), Digestive, Abdominal & Pelvic Vessels, Lumbar
Spine(vertebrae & cord)
Is the hip & pelvic bones structure part of the Abdominal region? - Correct answer-
No. They are part of the extremity.
What terms can be used for "massive" organ lacerations? - Correct answer-
Avulsion, Complex, Rupture, Tissue Loss, Deep
Define "Avulsion" of an organ? - Correct answer-It is when the an organ is repped /
forcible tearing away from it's vascular system.
Define "No Perforation" of an organ? - Correct answer-A partial thickness
laceration, such as a serosal tear. IE. Outerlayer
Define "Perforation" of an organ? - Correct answer-A full thickness laceration, but
not complete transection
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, Define "Transection" of an organ? - Correct answer-Complete separation of two
parts of an organ.
When coding an organ which takes priority; OIS or clinical description? - Correct
answer-Clinical Description
When can a retroperitoneal hemorrhage be coded? - Correct answer-Code when
determined it is unrelated to another injury. IE unrelated to pancreas, duodenum,
kidney, aorta, vena cava, mesenteric vessel and pelvic/vertebral fractures
When can a vessel injury be coded? - Correct answer-(1)If they are isolated
injuries or (2)they are not included in an organ injury description
If an injury occurs at the junction between the duodenum and the jejunum how is it
coded? - Correct answer-Code to the jejunum
Can a Contusion & a laceration be coded to a single organ? - Correct answer-
Depends. If the contusion is related to a laceration, No. If they are unrelated then
Yes.
Can fetal demise be coded as an injury? - Correct answer-No. It is a result of an
abdominal injury not the injury itself.
How is Abdominal Compartment Syndrome coded? - Correct answer-It is not. It is
a consequence of an injury.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Answers Graded A+
What does ISS define as part of the abdominal region? - Correct answer-
Skin(lower torso), Digestive, Abdominal & Pelvic Vessels, Lumbar
Spine(vertebrae & cord)
Is the hip & pelvic bones structure part of the Abdominal region? - Correct answer-
No. They are part of the extremity.
What terms can be used for "massive" organ lacerations? - Correct answer-
Avulsion, Complex, Rupture, Tissue Loss, Deep
Define "Avulsion" of an organ? - Correct answer-It is when the an organ is repped /
forcible tearing away from it's vascular system.
Define "No Perforation" of an organ? - Correct answer-A partial thickness
laceration, such as a serosal tear. IE. Outerlayer
Define "Perforation" of an organ? - Correct answer-A full thickness laceration, but
not complete transection
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Define "Transection" of an organ? - Correct answer-Complete separation of two
parts of an organ.
When coding an organ which takes priority; OIS or clinical description? - Correct
answer-Clinical Description
When can a retroperitoneal hemorrhage be coded? - Correct answer-Code when
determined it is unrelated to another injury. IE unrelated to pancreas, duodenum,
kidney, aorta, vena cava, mesenteric vessel and pelvic/vertebral fractures
When can a vessel injury be coded? - Correct answer-(1)If they are isolated
injuries or (2)they are not included in an organ injury description
If an injury occurs at the junction between the duodenum and the jejunum how is it
coded? - Correct answer-Code to the jejunum
Can a Contusion & a laceration be coded to a single organ? - Correct answer-
Depends. If the contusion is related to a laceration, No. If they are unrelated then
Yes.
Can fetal demise be coded as an injury? - Correct answer-No. It is a result of an
abdominal injury not the injury itself.
How is Abdominal Compartment Syndrome coded? - Correct answer-It is not. It is
a consequence of an injury.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
