CAISS - HEAD & BRAIN CODING
Frequently Tested Exam Questions With
Verified Multiple Choice and Conceptual
Actual 100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. What does AIS define as part of the Head region?
A. Face, scalp, brain only
B. Scalp, skull, brain, facial bones
C. Scalp, skull, brain, intracranial vessels, cranial nerves
D. Skull and scalp only
2. What structures form the meninges?
A. Arachnoid and pia only
B. Dura mater, arachnoid, pia mater
C. Pia mater and subdural space
D. Subarachnoid and epidural spaces
3. What are the three regions of the brain?
A. Cerebrum, midbrain, cortex
B. Cerebrum, cerebellum, brain stem
C. Cerebellum, pons, thalamus
D. Cortex, brain stem, spinal cord
4. What is a focal brain injury?
A. Global injury affecting consciousness
B. Space-occupying lesion causing shift or herniation
C. Diffuse microstructural injury
D. A concussion
,5. What is a diffuse brain injury?
A. Injury confined to one hemisphere
B. Injury involving skull and brain
C. Widespread/global injury affecting consciousness
D. Localized hemorrhage
6. What is the AIS definition of a compound skull fracture?
A. Multiple skull fragments
B. Depressed fracture
C. Open fracture (compound)
D. Comminuted fracture
III. CODING RULES: BRAIN & SKULL
7. When should brain injuries be coded?
A. Immediately at arrival
B. At 24 hours, or at initial confirmed diagnosis if later than 24 hours
C. Only after imaging
D. Only if neurosurgery is performed
8. When can LOC (loss of consciousness) be coded?
A. Based solely on EMS report
B. Only if witnessed by family
C. With convincing evidence of head trauma and physician diagnosis of LOC
D. Only if coma is present
9. How is a provider diagnosis of “Closed Head Injury” coded?
A. As cerebral contusion
B. 110002.2
C. 100099.7
D. 100099.9; NFS (Not Further Specified)
10. A patient has a compound temporal fracture and a lacerated temporal
artery. How should this be coded?
, A. Code fracture only
B. Code vessel injury only
C. Code both injuries separately
D. Code as a single combined injury
IV. CRANIAL NERVES & CEREBRAL VESSELS
11. When is a cranial nerve coded as a laceration?
A. With numbness only
B. With partial loss of function
C. With total loss of function/paralysis
D. With pain only
12. When is a cranial nerve coded as a contusion?
A. When imaging is normal
B. When there is partial function loss (paresis/palsy)
C. Only with hematoma
D. Only with severe pain
13. How many cranial nerves exist?
A. 10
B. 11
C. 12
D. 14
14. What code is used if a cranial nerve is not named?
A. CN unspecified NFS
B. Cranial nerve unknown
C. CN-other
D. Cranial Nerve NFS (Not Further Specified)
15. What arteries are considered the named cerebral arteries?
A. Facial branches
B. Any branch of the carotid
Frequently Tested Exam Questions With
Verified Multiple Choice and Conceptual
Actual 100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. What does AIS define as part of the Head region?
A. Face, scalp, brain only
B. Scalp, skull, brain, facial bones
C. Scalp, skull, brain, intracranial vessels, cranial nerves
D. Skull and scalp only
2. What structures form the meninges?
A. Arachnoid and pia only
B. Dura mater, arachnoid, pia mater
C. Pia mater and subdural space
D. Subarachnoid and epidural spaces
3. What are the three regions of the brain?
A. Cerebrum, midbrain, cortex
B. Cerebrum, cerebellum, brain stem
C. Cerebellum, pons, thalamus
D. Cortex, brain stem, spinal cord
4. What is a focal brain injury?
A. Global injury affecting consciousness
B. Space-occupying lesion causing shift or herniation
C. Diffuse microstructural injury
D. A concussion
,5. What is a diffuse brain injury?
A. Injury confined to one hemisphere
B. Injury involving skull and brain
C. Widespread/global injury affecting consciousness
D. Localized hemorrhage
6. What is the AIS definition of a compound skull fracture?
A. Multiple skull fragments
B. Depressed fracture
C. Open fracture (compound)
D. Comminuted fracture
III. CODING RULES: BRAIN & SKULL
7. When should brain injuries be coded?
A. Immediately at arrival
B. At 24 hours, or at initial confirmed diagnosis if later than 24 hours
C. Only after imaging
D. Only if neurosurgery is performed
8. When can LOC (loss of consciousness) be coded?
A. Based solely on EMS report
B. Only if witnessed by family
C. With convincing evidence of head trauma and physician diagnosis of LOC
D. Only if coma is present
9. How is a provider diagnosis of “Closed Head Injury” coded?
A. As cerebral contusion
B. 110002.2
C. 100099.7
D. 100099.9; NFS (Not Further Specified)
10. A patient has a compound temporal fracture and a lacerated temporal
artery. How should this be coded?
, A. Code fracture only
B. Code vessel injury only
C. Code both injuries separately
D. Code as a single combined injury
IV. CRANIAL NERVES & CEREBRAL VESSELS
11. When is a cranial nerve coded as a laceration?
A. With numbness only
B. With partial loss of function
C. With total loss of function/paralysis
D. With pain only
12. When is a cranial nerve coded as a contusion?
A. When imaging is normal
B. When there is partial function loss (paresis/palsy)
C. Only with hematoma
D. Only with severe pain
13. How many cranial nerves exist?
A. 10
B. 11
C. 12
D. 14
14. What code is used if a cranial nerve is not named?
A. CN unspecified NFS
B. Cranial nerve unknown
C. CN-other
D. Cranial Nerve NFS (Not Further Specified)
15. What arteries are considered the named cerebral arteries?
A. Facial branches
B. Any branch of the carotid
