CAISS EXAM QUESTIONS WITH 100%
CORRECT ANSWERS L LATEST
VERSION 2025/2026.
Boxed & Bold Text - ANS Represent AIS coding rules and conventions and contain directives to
assist in the appropriate use of specific descriptions.
Brackets - ANS Denote inclusive or exclusive information.
Parentheseses - ANS Include synonyms or occasionally, non-clinical terms and provide a
definition for the injury description.
Semicolons - ANS Separate injury descriptors that are comparable in severity.
Bold Type - ANS Identifies an anatomical structure
Italics - ANS Are used for proper-named anatomical structures or injuries, and for OIS grades.
AIS .1 - ANS Minor
AIS .2 - ANS Moderate
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,AIS .3 - ANS Serious
AIS .4 - ANS Severe
AIS .5 - ANS Critical
AIS .6 - ANS Maximum
Range of AIS severity codes - ANS 1-6
Is "DEATH" part of the AIS severity scale? - ANS No
Does a linear relationship exist between AIS severity codes? - ANS No
(T/F) Injuries within the same code may not be strictly compatible. - ANS T
AIS .9 - ANS Unknown
(T/F) The AIS single digit severity number indicates the relative severity of injury in an "average
person" who sustains the coded injury as his only injury. - ANS T
Average Patient - ANS Adult 25-40 years of age
Free of pre-existing conditions
Free of treatment complications
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Receiving timely, appropriate care for the injury
Pre-dot Code - ANS 6 digits to the left of decimal point
AIS Severity Number - ANS A single digit to the right of the decimal point.
Body Region - ANS The first number in the pre-dot code stands for?
Type of Anatomic Structure - ANS The second number in the pre-dot code stands for?
Specific Anatomic Structure - ANS The third & fourth numbers in the pre-dot code stands for?
Level of injury within the specific body region and anatomic structure - ANS The fifth & sixth
numbers in the pre-dot code stands for?
(T/F) AIS assesses the severity of single injuries. - ANS T
(T/F) The ISS is the sum of the squares of the highest AIS in each of the (3) most severity injured
ISS body regions. - ANS T
There are how many ISS body regions? - ANS 6
ISS Body Regions - ANS Head & Neck
Face
Chest
Abdominal & Pelvic Contents
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Extremities & Pelvic Girdle
External
Head & Neck - ANS Include injury to the brain, skull, cervical spine or neck organs.
(T/F) Asphyxia is assigned to the ISS Head region? - ANS T
Face - ANS Include injury to mouth, ears, eyes, nose and facial bones.
Chest - ANS Include injury to abdominal and pelvic contents, including all lesions to internal
organs in the respective cavities and injuries to diaphragm, rib cage and thoracic spine.
(T/F) Drowning is assigned to the Chest region? - ANS T
(T/F) The ISS is the sum of the squares of the highest AIS in each of the (5) most severity injured
ISS body regions. - ANS F
(T/F) There are 9 ISS body regions? - ANS F
(T/F) Asphyxia is assigned to the ISS Chest region? - ANS F
(T/F) Drowning is assigned to the Head & Neck region? - ANS f
Abdomen and Pelvic Area - ANS Include injury to Lumber spine lesions.
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
CORRECT ANSWERS L LATEST
VERSION 2025/2026.
Boxed & Bold Text - ANS Represent AIS coding rules and conventions and contain directives to
assist in the appropriate use of specific descriptions.
Brackets - ANS Denote inclusive or exclusive information.
Parentheseses - ANS Include synonyms or occasionally, non-clinical terms and provide a
definition for the injury description.
Semicolons - ANS Separate injury descriptors that are comparable in severity.
Bold Type - ANS Identifies an anatomical structure
Italics - ANS Are used for proper-named anatomical structures or injuries, and for OIS grades.
AIS .1 - ANS Minor
AIS .2 - ANS Moderate
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,AIS .3 - ANS Serious
AIS .4 - ANS Severe
AIS .5 - ANS Critical
AIS .6 - ANS Maximum
Range of AIS severity codes - ANS 1-6
Is "DEATH" part of the AIS severity scale? - ANS No
Does a linear relationship exist between AIS severity codes? - ANS No
(T/F) Injuries within the same code may not be strictly compatible. - ANS T
AIS .9 - ANS Unknown
(T/F) The AIS single digit severity number indicates the relative severity of injury in an "average
person" who sustains the coded injury as his only injury. - ANS T
Average Patient - ANS Adult 25-40 years of age
Free of pre-existing conditions
Free of treatment complications
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Receiving timely, appropriate care for the injury
Pre-dot Code - ANS 6 digits to the left of decimal point
AIS Severity Number - ANS A single digit to the right of the decimal point.
Body Region - ANS The first number in the pre-dot code stands for?
Type of Anatomic Structure - ANS The second number in the pre-dot code stands for?
Specific Anatomic Structure - ANS The third & fourth numbers in the pre-dot code stands for?
Level of injury within the specific body region and anatomic structure - ANS The fifth & sixth
numbers in the pre-dot code stands for?
(T/F) AIS assesses the severity of single injuries. - ANS T
(T/F) The ISS is the sum of the squares of the highest AIS in each of the (3) most severity injured
ISS body regions. - ANS T
There are how many ISS body regions? - ANS 6
ISS Body Regions - ANS Head & Neck
Face
Chest
Abdominal & Pelvic Contents
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Extremities & Pelvic Girdle
External
Head & Neck - ANS Include injury to the brain, skull, cervical spine or neck organs.
(T/F) Asphyxia is assigned to the ISS Head region? - ANS T
Face - ANS Include injury to mouth, ears, eyes, nose and facial bones.
Chest - ANS Include injury to abdominal and pelvic contents, including all lesions to internal
organs in the respective cavities and injuries to diaphragm, rib cage and thoracic spine.
(T/F) Drowning is assigned to the Chest region? - ANS T
(T/F) The ISS is the sum of the squares of the highest AIS in each of the (5) most severity injured
ISS body regions. - ANS F
(T/F) There are 9 ISS body regions? - ANS F
(T/F) Asphyxia is assigned to the ISS Chest region? - ANS F
(T/F) Drowning is assigned to the Head & Neck region? - ANS f
Abdomen and Pelvic Area - ANS Include injury to Lumber spine lesions.
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
