Is my dermatologist’s lab double billing me?

Hey everyone. I went for a for a yearly skin check. Dermatologist said they found two things and wanted to send it to get looked at. They send it out to a lab, which is about an hour away. Derm calls and says it could be removed, covered by insurance. Derm also says that they can’t remove both at the same time, the procedures had to be two weeks apart. I get the procedures and all stitches removed. I pay my dermatologist copays when I get there.

I got one bill from the lab for a 20$ copay. I figured I’d be getting that so I paid it. Then, I get another copay request from the lab. Another 20$. To my knowledge, only one lab request was done.

I go into the claims. The claims read as the following:

Derm skin check

Lab work (330$ worth of work, 20$ copay

Derm removal procedure 1

On the same day, Lab work for 165$ copay

Derm procedurę 2

On the same day of that procedure, another lab work for 165$, 20$ copay

Derm removed stitches (no copay)

What’s going on here? Why would they be billing the lab twice after the results already came back?

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