Patient came into the hospital on 12/20 @ 14:32 and was discharged on 12/22 17:00. During her stay she remained in observation status and was never admitted to inpatient. My dr saw the pt on 12/20 and billed an observation code but he also followed up with pt on 12/21 and used 99232 which ins denied since pt was never admitted to inpatient. What code should he use for the follow up visit on 12/21? Would an office visit e/m code work?
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