CPC ICD-10-CM Diagnosis Coding

Question 1

In ICD-10-CM, how many characters can a valid code have?

Accepted Answer

3–7 characters

Answer

1–5 characters

Answer

4–8 characters

Answer

2–6 characters

Question 2

What does a placeholder character 'X' serve in ICD-10-CM coding?

Accepted Answer

Allows future expansion and fills empty character positions

Answer

Indicates an unknown diagnosis

Answer

Marks a code as unspecified

Answer

Indicates a sequela

Question 3

Which ICD-10-CM 7th character extension indicates an initial encounter for an injury?

Accepted Answer

A

Answer

S

Answer

D

Answer

G

Question 4

What is the correct sequencing rule for coding outpatient visits?

Accepted Answer

Code the reason for the visit (first-listed diagnosis)

Answer

Code the chronic condition first

Answer

Always code the most severe diagnosis first

Answer

Code confirmed diagnoses and suspected diagnoses equally

Question 5

In ICD-10-CM, the abbreviation 'NEC' stands for:

Accepted Answer

Not elsewhere classifiable

Answer

No established criteria

Answer

Not entirely confirmed

Answer

Needs electronic coding

Question 6

When coding type 2 diabetes with diabetic chronic kidney disease, which code is sequenced first?

Accepted Answer

The diabetes code

Answer

The chronic kidney disease code

Answer

Either order is acceptable

Answer

The manifestation code always comes first