Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to write a medical claim appeal letter [title] Rule out simple mistakes first. [step] Sometimes a claim is denied due to a simple clerical error. These mistakes are usually the easiest to correct.

Ending1: However, on top of that, even casual errors cannot be fixed, so making your case in writing first gives you a better understanding of how to resolve the claim. [substeps] Many claims appeal letters include a draft of the letter instead. Ending2: A simple error in reasoning the wrong way can only lead to an appeal that isn't likely to be granted. When presenting the claim to a court, note the number and letter of errors as well as any other common components that could prompt the judge to dismiss the claim. Ending3: Examples of simple errors include : [substeps] Missing or unclear information. You might not know how to determine which drill goes in which hole. Ending4: Read through all the documentation from your insurance company, to make sure there are no obvious errors. If you find that a mistake was made by someone at your doctor's office, contact the office staff and ask them to submit corrected forms to your insurance company.

Answer format: ending1/ending2/ending3/ending4