Imagn Billing Case Summary What follows are the details of a home sleep test and diagnostics billing success story from Imagn Billing. You will see how a dental practice in Oregon successfully billed for a (Home Sleep Test) HST 95800, Laryngeal function 92520 and Rhinometry 92512. The practice completed this service May 18, 2021. The claim for this service was quickly paid by Providence Health on June 18, 2021. Oral Physician Case Notes A 57-year-old female patient presented for a follow-up.  She received and was using an OAT appliance with an efficacy WatchPAT home sleep test, rhinometry, and laryngeal function. Prior to OAT appliance therapy, the patient documented interrupted sleep, snoring, and nighttime sweating. Following therapy, the patient indicated that