Final answer:
The correct coding for a patient with atherosclerotic peripheral vascular disease of the left lower leg with intermittent claudication is I73.9, I70.209.
Step-by-step explanation:
The correct coding for a patient with atherosclerotic peripheral vascular disease of the left lower leg with intermittent claudication is option b) I73.9, I70.209.
I73.9 refers to peripheral vascular disease, unspecified. This is the broader term used to describe various conditions that affect the blood vessels outside of the heart and brain. It is the main category that includes atherosclerotic peripheral vascular disease.
I70.209 refers to atherosclerosis of native arteries of the extremities, unspecified leg. This code specifically indicates the presence of atherosclerosis in the arteries of the leg causing symptoms such as intermittent claudication.