Hello all! I was wondering if I could get some advice on the appropriate dx assignment with the following?

Patient presents to Rad dept to have a Chest 2vw done and the order states the reaons as being "Lead Malfunction". The report states the pacemaker has no complications or malfunctions. What would be the best code to apply? I'm seeing v53.31 as the most appropriate, but it's shaded in gray and states that this is not an Acceptable PDx. Does that apply to inpatient coding or to Outpatient coding as well?

Thanks in advance for any input!

Candy S.