CRC ICD-10-CM Diagnosis Coding 2

Question 1

A patient has Type 2 diabetes with diabetic chronic kidney disease, stage 4. Which code combination is correct?

Accepted Answer

E11.22 and N18.4

Answer

E11.22 establishes the causal relationship. N18.4 must be coded additionally to specify the CKD stage.

Question 2

A provider documents 'acute exacerbation of chronic systolic heart failure.' What is the correct code?

Accepted Answer

I50.23 Acute on chronic systolic heart failure

Answer

I50.23 captures both the chronic nature and the acute episode in a single combination code.

Question 3

A coder encounters 'history of breast cancer, currently on tamoxifen for chemoprevention' after mastectomy 3 years ago with no recurrence. Which code applies?

Accepted Answer

Z85.3 Personal history of malignant neoplasm of breast

Answer

Z85.3 is appropriate when cancer has been excised with no recurrence. Tamoxifen for chemoprevention does not indicate active cancer.

Question 4

A patient presents with sepsis due to MRSA. Which coding sequence is correct?

Accepted Answer

A41.02 first, then B95.62

Answer

A41.02 is sequenced first as the systemic infection. B95.62 identifies the infectious agent additionally.

Question 5

A provider documents 'morbid obesity with BMI of 42' and obesity hypoventilation syndrome. What is the complete code set?

Accepted Answer

E66.01, Z68.42, E66.2

Answer

E66.01 for morbid obesity, Z68.42 for specific BMI, and E66.2 for obesity hypoventilation syndrome. Each captures distinct clinical information.

(CRC) Certified Risk Adjustment Coder Practice Test

(CRC) Certified Risk Adjustment Coder Practice Test

CRC ICD-10-CM Diagnosis Coding 2