WGU D521 EXAM QUESTIONS AND
ANSWERS GRADED A+ 100%
GUARANTEED SUCCESS: 2025/2026
1. What are the 7 characters (format) of an ICD-IO-PCS code?: 1. S >
Section
2. B > Body System
3. R > root operation
4. D > Designation (body part)
5. A > approach
6. D > device
7. Q > qualifier
2. Which letters are not used in ICD-IO-PCS?: I and O (d/t possible
confusion with the numbers 1 and 0)
3. Brackets [ l - what do they mean in ICD-I O-CM?: used in Tabular List
to enclose synonyms, alternative wording, or explanatory phrases
4. Parentheses ( ) - what do they mean in 'CD-I O-CM?: used in both TL
and Al to enclose supplementary words that don't affect the code number
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,5. Colons : - what do they mean in ICD-IO-CM?: This punctuation mark
is used in TL after an incomplete term that needs the word(s) after this
punctuation mark to make it assignable to a category
6. NEC - what does this mean in ICD-IO-CM guidelines?: "Not
elsewhere classifiable" or "other specified"
used in both Al and TL
means a code matching the information in the documentation does not exist
7. NOS - what does this mean in ICD-IO-CM guidelines?: "Not
otherwise specified" or "unspecified"
used in both the TL and Al
means the documentation is insufficient to assign a more specific code
8. And - what does this mean in ICD-IO-CM guidelines?: This
guide term means either "and" or "or"
9. With or In - what do they mean in ICD-IO-CM guidelines?: guide
terms meaning either "associated with" or "due to"
10. See - what does this mean in ICD-IO-CM guidelines?: used in
Al following a main term
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,indicates that another term should be referenced to locate the correct code
1 1. See Also - what does this mean in ICD-IO-CM guidelines?: used
in the Al following a main term
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, means may need to reference another main term that has useful additional
information if the original main term does not provide the necessary code
12. Code First - what does this mean in ICD-IO-CM guidelines?: used on
manifestation codes for certain conditions that have an etiology and
multiple manifestations.
mandates that the underlying etiology be coded first, then the manifestation
codes
13. Use Additional Code - what does this mean in 'CD-I O-CM guidelines?:
used on etiology codes to remind coders to also code the manifestation
14. Code Also - what does this mean in ICD-I O-CM guidelines?:
means 2 codes may be needed to fully describe the condition
sequencing not specified
15. ICD-I O-PCS codes must always have how many characters?: 7
characters
16. ICD-IO-CM codes must have between and characters: 3 and 7
characters
17. ICD-9-CM diagnosis characteristics:
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ANSWERS GRADED A+ 100%
GUARANTEED SUCCESS: 2025/2026
1. What are the 7 characters (format) of an ICD-IO-PCS code?: 1. S >
Section
2. B > Body System
3. R > root operation
4. D > Designation (body part)
5. A > approach
6. D > device
7. Q > qualifier
2. Which letters are not used in ICD-IO-PCS?: I and O (d/t possible
confusion with the numbers 1 and 0)
3. Brackets [ l - what do they mean in ICD-I O-CM?: used in Tabular List
to enclose synonyms, alternative wording, or explanatory phrases
4. Parentheses ( ) - what do they mean in 'CD-I O-CM?: used in both TL
and Al to enclose supplementary words that don't affect the code number
1/ 62
,5. Colons : - what do they mean in ICD-IO-CM?: This punctuation mark
is used in TL after an incomplete term that needs the word(s) after this
punctuation mark to make it assignable to a category
6. NEC - what does this mean in ICD-IO-CM guidelines?: "Not
elsewhere classifiable" or "other specified"
used in both Al and TL
means a code matching the information in the documentation does not exist
7. NOS - what does this mean in ICD-IO-CM guidelines?: "Not
otherwise specified" or "unspecified"
used in both the TL and Al
means the documentation is insufficient to assign a more specific code
8. And - what does this mean in ICD-IO-CM guidelines?: This
guide term means either "and" or "or"
9. With or In - what do they mean in ICD-IO-CM guidelines?: guide
terms meaning either "associated with" or "due to"
10. See - what does this mean in ICD-IO-CM guidelines?: used in
Al following a main term
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,indicates that another term should be referenced to locate the correct code
1 1. See Also - what does this mean in ICD-IO-CM guidelines?: used
in the Al following a main term
3/ 62
, means may need to reference another main term that has useful additional
information if the original main term does not provide the necessary code
12. Code First - what does this mean in ICD-IO-CM guidelines?: used on
manifestation codes for certain conditions that have an etiology and
multiple manifestations.
mandates that the underlying etiology be coded first, then the manifestation
codes
13. Use Additional Code - what does this mean in 'CD-I O-CM guidelines?:
used on etiology codes to remind coders to also code the manifestation
14. Code Also - what does this mean in ICD-I O-CM guidelines?:
means 2 codes may be needed to fully describe the condition
sequencing not specified
15. ICD-I O-PCS codes must always have how many characters?: 7
characters
16. ICD-IO-CM codes must have between and characters: 3 and 7
characters
17. ICD-9-CM diagnosis characteristics:
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