Certified Medical Coding Specialist ICD-10-CM Diagnosis Coding

Question 1

Which ICD-10-CM code category is used to report type 2 diabetes mellitus without complications?

Accepted Answer

E11.9

Answer

E10.9

Answer

E13.9

Answer

E08.9

Question 2

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

Accepted Answer

Initial encounter

Answer

Subsequent encounter

Answer

Sequela

Answer

Active treatment

Question 3

Which ICD-10-CM guideline requires coding the underlying condition first, followed by the manifestation?

Accepted Answer

Etiology/manifestation convention

Answer

Code first convention

Answer

Excludes1 note

Answer

Use additional code note

Question 4

An Excludes1 note in ICD-10-CM means:

Accepted Answer

The excluded condition cannot be coded together with the code above it

Answer

The excluded condition may be coded together if both conditions are present

Answer

The code is not billable

Answer

Additional digits are required

Question 5

Which section of ICD-10-CM contains codes for factors influencing health status, such as vaccination status?

Accepted Answer

Z codes

Answer

V codes

Answer

E codes

Answer

Y codes

Question 6

When coding a patient with essential hypertension and chronic kidney disease stage 3, the coder should assign:

Accepted Answer

I12.9 — hypertensive chronic kidney disease with stage 3 CKD

Answer

I10 and N18.3 separately

Answer

N18.3 only

Answer

I10 only