Granuloma

“I saw a patient with a history of chronic onychocryptosis. On this date of service, he presented with a red, swollen, tender right great toe. I performed an E/M and diagnosed paronychia L03.031 for which I took a culture for a gram stain and culture and sensitivity. I discussed the problem with the patient, prescribed an oral antibiotic and gave him instructions. I billed CPT 99213-25 for this. During the same visit, I addressed hypergranulation tissue L92.9 of the same toe. I treated it by excising the tissue and cauterizing the area with silver nitrate. I billed CPT 17250. I was told that HMO Blue of Massachusetts retracted the office visit due to an audit and that there are no appeal rights. Insurance states that “there are no other issues managed and treated aside from the procedure. Therefore the documentation does not support a separate E&M level of service.” I would appreciate any insights you have on this situation, especially when I am informed that I have no appeal rights.”