CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist Test Bank - Practice Questions &
Verified Answers 2026/2027 - 2026/2027 Official Exam
OBJECTIVE ASSESSMENT - EXAM
CAISS Exam Mastery: Certified
Abbreviated Injury Scale Specialist
Test Bank - Practice Questions &
Verified Answers 2026/2027 -
2026/2027 Official Exam
100 100% 2026/2027
QUESTIONS VERIFIED ANSWERS EDITION
TOPICS COVERED
Abbreviated Injury Scale (AIS) Fundamentals
ICD-10 & AIS Coding
Injury Severity Scoring Trauma Registry & Data Management
Anatomical & Physiological Assessment
COVER PAGE - 1
, SECTION 1 | Abbreviated Injury Scale (AIS) Fundamentals | Q1-Q20 | CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist
Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027 Official Exam 2026/2027
Q1 Question 1 of 100
A 24-year-old man sustains a closed head injury in a motor vehicle crash. The trauma registrar is
preparing to assign an AIS code to the cerebral contusion documented on CT. The first digit of the
AIS code identifies which characteristic of the injury?
A. The body region involved
B. The severity of the injury
C. The mechanism of injury
D. The anatomical structure within a region
Correct Answer: A
Rationale:
The first digit of the six-digit AIS code identifies the body region (head, face, neck, thorax, abdomen, spine,
upper extremity, lower extremity, or external). Severity is recorded after the decimal point, and anatomical
structure is encoded in the second digit and detail digits, not the first.
Q2 Question 2 of 100
A trauma registrar assigns an AIS severity code of 5 to a patient with a massive liver laceration. In the
AIS severity scale, a severity value of 5 corresponds to which category?
A. Moderate injury
B. Serious injury
C. Critical injury with uncertain survival
D. Maximal injury currently untreatable
Correct Answer: C
Rationale:
An AIS severity of 5 denotes a critical injury with uncertain survival. Severity 3 is serious, 4 is severe, and 6
is maximal injury currently untreatable. The numeric scale runs from 1 (minor) through 6 (maximal), with 0
indicating no injury and 9 used when injury status is unknown.
CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027
Passing
OfficialScore:
Exam80%
- 2026/2027
| Page 2 of 53
, SECTION 1 | Abbreviated Injury Scale (AIS) Fundamentals | Q1-Q20 | CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist
Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027 Official Exam 2026/2027
Q3 Question 3 of 100
A registrar is reviewing the AIS coding dictionary to determine the structure of an AIS code. A
complete post-2005 AIS code consists of how many digits before the decimal point, and how many
after?
A. Six digits before the decimal and one after
B. Five digits before the decimal and one after
C. Four digits before the decimal and two after
D. Three digits before the decimal and three after
Correct Answer: A
Rationale:
The modern AIS code uses six pre-decimal digits identifying body region, anatomical structure, and detail,
followed by one digit after the decimal representing severity. Older dictionaries used five pre-decimal digits,
but the 2005 update expanded the system to six to support greater anatomical specificity.
Q4 Question 4 of 100
A medical record documents a splenic laceration without further anatomic detail such as depth,
involvement of hilar vessels, or parenchymal disruption. The registrar must choose the most
appropriate AIS code suffix to reflect this limited documentation. Which AIS designation applies?
A. Not further specified (NFS)
B. Not otherwise classified (NOC)
C. Unknown if injured
D. Maximal injury
Correct Answer: A
Rationale:
AIS uses NFS (not further specified) when the documentation does not allow assignment to a more specific
subcategory within a code group. NOC is not a standard AIS term, unknown if injured is coded as severity
9, and maximal injury refers to severity 6 rather than a documentation insufficiency.
CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027
Passing
OfficialScore:
Exam80%
- 2026/2027
| Page 3 of 53
, SECTION 1 | Abbreviated Injury Scale (AIS) Fundamentals | Q1-Q20 | CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist
Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027 Official Exam 2026/2027
Q5 Question 5 of 100
An autopsy report describes a transection of the thoracic aorta in a fatality from a high-speed motor
vehicle crash. The registrar assigns an AIS severity of 6 to this vessel injury. An AIS severity of 6
carries which specific meaning?
A. Maximal injury currently untreatable
B. Critical injury with uncertain survival
C. Serious injury requiring hospitalization
D. Moderate injury with full recovery expected
Correct Answer: A
Rationale:
AIS severity 6 is reserved for injuries currently considered untreatable and typically fatal, such as aortic
transection, massive brainstem destruction, or complete spinal cord transection at high cervical levels.
Critical-with-uncertain-survival is severity 5, and serious and moderate correspond to lower values on the
scale.
Q6 Question 6 of 100
A patient is brought to the trauma center already dead on arrival, and the injury is documented only on
autopsy. The registrar is coding the post-mortem injuries in AIS. The AIS manual allows coding of
injuries identified at autopsy provided which condition is met?
A. The patient must have had at least one documented vital sign in the field
B. The autopsy must be performed within 24 hours of injury
C. The injuries are documented in a valid medical or autopsy record
D. The injuries must have caused death within 30 minutes of arrival
Correct Answer: C
Rationale:
AIS permits coding of injuries documented in a valid medical or autopsy record regardless of when death
occurred. Field vital signs, the 24-hour autopsy window, and a 30-minute death threshold are not AIS
coding requirements; the controlling factor is the availability of valid documentation.
CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027
Passing
OfficialScore:
Exam80%
- 2026/2027
| Page 4 of 53
Verified Answers 2026/2027 - 2026/2027 Official Exam
OBJECTIVE ASSESSMENT - EXAM
CAISS Exam Mastery: Certified
Abbreviated Injury Scale Specialist
Test Bank - Practice Questions &
Verified Answers 2026/2027 -
2026/2027 Official Exam
100 100% 2026/2027
QUESTIONS VERIFIED ANSWERS EDITION
TOPICS COVERED
Abbreviated Injury Scale (AIS) Fundamentals
ICD-10 & AIS Coding
Injury Severity Scoring Trauma Registry & Data Management
Anatomical & Physiological Assessment
COVER PAGE - 1
, SECTION 1 | Abbreviated Injury Scale (AIS) Fundamentals | Q1-Q20 | CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist
Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027 Official Exam 2026/2027
Q1 Question 1 of 100
A 24-year-old man sustains a closed head injury in a motor vehicle crash. The trauma registrar is
preparing to assign an AIS code to the cerebral contusion documented on CT. The first digit of the
AIS code identifies which characteristic of the injury?
A. The body region involved
B. The severity of the injury
C. The mechanism of injury
D. The anatomical structure within a region
Correct Answer: A
Rationale:
The first digit of the six-digit AIS code identifies the body region (head, face, neck, thorax, abdomen, spine,
upper extremity, lower extremity, or external). Severity is recorded after the decimal point, and anatomical
structure is encoded in the second digit and detail digits, not the first.
Q2 Question 2 of 100
A trauma registrar assigns an AIS severity code of 5 to a patient with a massive liver laceration. In the
AIS severity scale, a severity value of 5 corresponds to which category?
A. Moderate injury
B. Serious injury
C. Critical injury with uncertain survival
D. Maximal injury currently untreatable
Correct Answer: C
Rationale:
An AIS severity of 5 denotes a critical injury with uncertain survival. Severity 3 is serious, 4 is severe, and 6
is maximal injury currently untreatable. The numeric scale runs from 1 (minor) through 6 (maximal), with 0
indicating no injury and 9 used when injury status is unknown.
CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027
Passing
OfficialScore:
Exam80%
- 2026/2027
| Page 2 of 53
, SECTION 1 | Abbreviated Injury Scale (AIS) Fundamentals | Q1-Q20 | CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist
Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027 Official Exam 2026/2027
Q3 Question 3 of 100
A registrar is reviewing the AIS coding dictionary to determine the structure of an AIS code. A
complete post-2005 AIS code consists of how many digits before the decimal point, and how many
after?
A. Six digits before the decimal and one after
B. Five digits before the decimal and one after
C. Four digits before the decimal and two after
D. Three digits before the decimal and three after
Correct Answer: A
Rationale:
The modern AIS code uses six pre-decimal digits identifying body region, anatomical structure, and detail,
followed by one digit after the decimal representing severity. Older dictionaries used five pre-decimal digits,
but the 2005 update expanded the system to six to support greater anatomical specificity.
Q4 Question 4 of 100
A medical record documents a splenic laceration without further anatomic detail such as depth,
involvement of hilar vessels, or parenchymal disruption. The registrar must choose the most
appropriate AIS code suffix to reflect this limited documentation. Which AIS designation applies?
A. Not further specified (NFS)
B. Not otherwise classified (NOC)
C. Unknown if injured
D. Maximal injury
Correct Answer: A
Rationale:
AIS uses NFS (not further specified) when the documentation does not allow assignment to a more specific
subcategory within a code group. NOC is not a standard AIS term, unknown if injured is coded as severity
9, and maximal injury refers to severity 6 rather than a documentation insufficiency.
CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027
Passing
OfficialScore:
Exam80%
- 2026/2027
| Page 3 of 53
, SECTION 1 | Abbreviated Injury Scale (AIS) Fundamentals | Q1-Q20 | CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist
Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027 Official Exam 2026/2027
Q5 Question 5 of 100
An autopsy report describes a transection of the thoracic aorta in a fatality from a high-speed motor
vehicle crash. The registrar assigns an AIS severity of 6 to this vessel injury. An AIS severity of 6
carries which specific meaning?
A. Maximal injury currently untreatable
B. Critical injury with uncertain survival
C. Serious injury requiring hospitalization
D. Moderate injury with full recovery expected
Correct Answer: A
Rationale:
AIS severity 6 is reserved for injuries currently considered untreatable and typically fatal, such as aortic
transection, massive brainstem destruction, or complete spinal cord transection at high cervical levels.
Critical-with-uncertain-survival is severity 5, and serious and moderate correspond to lower values on the
scale.
Q6 Question 6 of 100
A patient is brought to the trauma center already dead on arrival, and the injury is documented only on
autopsy. The registrar is coding the post-mortem injuries in AIS. The AIS manual allows coding of
injuries identified at autopsy provided which condition is met?
A. The patient must have had at least one documented vital sign in the field
B. The autopsy must be performed within 24 hours of injury
C. The injuries are documented in a valid medical or autopsy record
D. The injuries must have caused death within 30 minutes of arrival
Correct Answer: C
Rationale:
AIS permits coding of injuries documented in a valid medical or autopsy record regardless of when death
occurred. Field vital signs, the 24-hour autopsy window, and a 30-minute death threshold are not AIS
coding requirements; the controlling factor is the availability of valid documentation.
CAISS Exam Mastery: Certified Abbreviated Injury Scale Specialist Test Bank - Practice Questions & Verified Answers 2026/2027 - 2026/2027
Passing
OfficialScore:
Exam80%
- 2026/2027
| Page 4 of 53
