CAISS CERTIFICATION STUDY GUIDE 2026 – QUESTIONS AND
ANSWERS ASSURED SUCCESS RATED A+
Penetrating injuries that do not injure underlying structures
should be coded in what ISS body region?
External
Injuries that result from energy dissipated from a penetrating
wound are called direct or indirect?
Indirect
With penetrating injuries to internal structures, is the
overlying skin injury coded separately?
NO
Bullet wounds/penetrating injuries resulting in fx are coded as
open or closed fractures?
OPEN
,When detailed information regarding an injury is lacking, what
descriptor is often used?
NFS
NFS can refer to what two components of a code?
1) injury unspecified
2) severity unspecified
Should patients with AIS code 9 injuries be included in
research studies?
NO
Fracture involving the joint?
Articular fracture
Fracture type with 3 or more fragments with the proximal and
distal fragments not touching?
Complex fracture
,Fracture type where skin overlying the fracture is lacerated
and communicates with the fracture?
Open fracture
Fracture type where skin overlying the fracture in not
lacerated?
Closed fracture
Fracture in which 2 ends of bone are not aligned?
Displaced fracture
Fracture type that includes multiple bone fragments?
Comminuted fracture
Sprains are to ____________?
, Joints (knee, ankle, etc)
Strains are to __________?
Muscles & tendons
Injury type involving massive destruction of body part
w/damage to underlying body systems (skeletal, organ,
vascular)
Crush injury
A vessel puncture or perforation is also known as a
______________.
Laceration
Superficial, incomplete circumferential involvement, blood loss
<20%
Minor vessel laceration
ANSWERS ASSURED SUCCESS RATED A+
Penetrating injuries that do not injure underlying structures
should be coded in what ISS body region?
External
Injuries that result from energy dissipated from a penetrating
wound are called direct or indirect?
Indirect
With penetrating injuries to internal structures, is the
overlying skin injury coded separately?
NO
Bullet wounds/penetrating injuries resulting in fx are coded as
open or closed fractures?
OPEN
,When detailed information regarding an injury is lacking, what
descriptor is often used?
NFS
NFS can refer to what two components of a code?
1) injury unspecified
2) severity unspecified
Should patients with AIS code 9 injuries be included in
research studies?
NO
Fracture involving the joint?
Articular fracture
Fracture type with 3 or more fragments with the proximal and
distal fragments not touching?
Complex fracture
,Fracture type where skin overlying the fracture is lacerated
and communicates with the fracture?
Open fracture
Fracture type where skin overlying the fracture in not
lacerated?
Closed fracture
Fracture in which 2 ends of bone are not aligned?
Displaced fracture
Fracture type that includes multiple bone fragments?
Comminuted fracture
Sprains are to ____________?
, Joints (knee, ankle, etc)
Strains are to __________?
Muscles & tendons
Injury type involving massive destruction of body part
w/damage to underlying body systems (skeletal, organ,
vascular)
Crush injury
A vessel puncture or perforation is also known as a
______________.
Laceration
Superficial, incomplete circumferential involvement, blood loss
<20%
Minor vessel laceration
