CMC ICD-10-CM Diagnosis Coding

Question 1

In ICD-10-CM, what does the 7th character 'A' indicate when appended to a fracture code?

Accepted Answer

Initial encounter for active treatment

Answer

The 7th character 'A' in ICD-10-CM fracture codes designates the initial encounter when the patient is receiving active treatment for the injury.

Question 2

Which ICD-10-CM chapter contains codes for diseases of the circulatory system?

Accepted Answer

Chapter 9

Answer

ICD-10-CM Chapter 9 (I00–I99) covers diseases of the circulatory system, including heart disease and stroke.

Question 3

When coding a condition described as 'probable' or 'suspected' in an outpatient setting, what should the coder assign?

Accepted Answer

The sign or symptom code

Answer

In outpatient coding, suspected or probable diagnoses are not coded as confirmed; instead, the presenting sign, symptom, or abnormal finding is coded.

Question 4

What is the correct sequencing rule for coding Type 2 diabetes with diabetic chronic kidney disease?

Accepted Answer

Use a combination code that includes both conditions

Answer

ICD-10-CM provides combination codes (e.g., E11.22) that capture both Type 2 diabetes mellitus and diabetic chronic kidney disease in a single code.

Question 5

Which placeholder character is used in ICD-10-CM when a code requires a 7th character but has fewer than 6 characters?

Accepted Answer

X

Answer

The letter 'X' serves as a placeholder in ICD-10-CM to fill empty character positions so the required 7th character can be appended correctly.

(CMC) Certified Medical Coder Practice Test

(CMC) Certified Medical Coder Practice Test

CMC ICD-10-CM Diagnosis Coding