This one code will not support all 3.

First, how does it support a 99283?
Do you have an expanded problem focused history

Do you have an expanded problem focused examination

Do you have a moderate complexity medical decision making?

The patient came in with a foreign body of the eye.

You're stating the doctor did a removal of a foreign body of the cornea without a slit lamp.

You're stating the doctor did a removal of the corneal epithelium, in otherwords, the entire outermost layer of the cornea was removed by scraping or cutting it with a spatula or curette. Then the doctor applied a chemical cauterization.

Why did he do this when he did not examine the eye with a slit lamp. You don't have a dx of a corneal abrasion.

I agree with the carrier to deny. Not for their reason.