ICD-10-CM Diagnosis Coding Flashcards
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Read the first 6 ICD-10-CM Diagnosis Coding flashcards as text
A patient has Type 2 diabetes with diabetic chronic kidney disease, stage 4. Which code combination is correct?
Answer: E11.22 and N18.4
E11.22 establishes the causal relationship. N18.4 must be coded additionally to specify the CKD stage.
A provider documents 'acute exacerbation of chronic systolic heart failure.' What is the correct code?
Answer: I50.23 Acute on chronic systolic heart failure
I50.23 captures both the chronic nature and the acute episode in a single combination code.
A coder encounters 'history of breast cancer, currently on tamoxifen for chemoprevention' after mastectomy 3 years ago with no recurrence. Which code applies?
Answer: Z85.3 Personal history of malignant neoplasm of breast
Z85.3 is appropriate when cancer has been excised with no recurrence. Tamoxifen for chemoprevention does not indicate active cancer.
A patient presents with sepsis due to MRSA. Which coding sequence is correct?
Answer: A41.02 first, then B95.62
A41.02 is sequenced first as the systemic infection. B95.62 identifies the infectious agent additionally.
A provider documents 'morbid obesity with BMI of 42' and obesity hypoventilation syndrome. What is the complete code set?
Answer: E66.01, Z68.42, E66.2
E66.01 for morbid obesity, Z68.42 for specific BMI, and E66.2 for obesity hypoventilation syndrome. Each captures distinct clinical information.
When coding alcoholic cirrhosis and hepatitis C together, which convention applies?
Answer: Code both K70.30 and B18.2 as independent conditions
These are independent conditions with separate etiologies. K70.30 maps to HCC 28 and B18.2 maps to HCC 29.