CBCS ICD-10-CM Diagnosis Coding

Question 1

What is the maximum number of characters in a valid ICD-10-CM code?

Accepted Answer

7

Answer

ICD-10-CM codes can be up to 7 characters in length.

Question 2

In ICD-10-CM, what does the 7th character 'A' typically indicate?

Accepted Answer

Initial encounter

Answer

'A' as the 7th character designates the initial encounter for active treatment.

Question 3

Which ICD-10-CM guideline governs the sequencing of diagnoses for outpatient visits?

Accepted Answer

First-listed diagnosis rule

Answer

For outpatient coding, the first-listed diagnosis is the condition established after study to be chiefly responsible for the visit.

Question 4

What does an 'Excludes1' note in ICD-10-CM mean?

Accepted Answer

The two codes cannot be used together on the same claim

Answer

Excludes1 means the two conditions cannot occur together and therefore cannot both be coded.

Question 5

A patient is seen for type 2 diabetes with diabetic chronic kidney disease, stage 3. What combination code would be used?

Accepted Answer

E11.22

Answer

E11.22 is the combination code for type 2 diabetes mellitus with diabetic chronic kidney disease, stage 3.

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