David Wolff, a 53-year-old male, was previously diagnosed with benign hypertension due to morbid obesity. Dr. Adams administers general anesthesia so that Dr. McKnight can perform a direct venous thrombectomy on his lower left leg.

The correct code for the this case is -  CPT 01522-P3.

Explanation:

According to the current procedural terminology there are codes for various procedures used in the medical procedures. The CPT 01522 is code which is related to the general anesthesia for procedures on the lower leg.

P3 is the code for the systematic disorders such as morbid obesity and benign hypertension.

Thus, the correct answer is - CPT 01522-P3.