Certified Professional Coder (CPC) Practice Test

For a patient checking serum digoxin levels after long-term digoxin use, which codes apply?

1. 80162, V58.83, V58.69, 427.31

2. 82040, 84075

3. 88305, 88307

4. 80050

The correct answer is: 80162, V58.83, V58.69, 427.31

In the scenario of checking serum digoxin levels after long-term digoxin use, the appropriate coding involves both the laboratory test for digoxin and relevant diagnoses that reflect the patient's ongoing management. The code 80162 specifically pertains to the quantitative measurement of digoxin levels, which is the necessary laboratory test being performed. Additionally, V58.83 indicates the patient is under long-term (chronic) use of digoxin, which is critical for capturing the context of the patient's ongoing treatment. V58.69 reflects the management of a long-term drug therapy, which further emphasizes the patient's clinical scenario and medical history concerning digoxin use. The code 427.31 is applicable as it refers to atrial fibrillation, which is a common condition that digoxin is often used to treat, thereby establishing a direct link to the reason for monitoring digoxin levels. This selection of codes provides a comprehensive representation of both the lab service being utilized and the clinical context of the patient’s health status, ensuring accurate and complete coding for the services rendered.