CPT Knowledgebase - Nov 4, 2022
Patients in Observation are typically considered Outpatients for many billing purposes. With the consolidation of the Hospital Inpatient and Observation E/M codes, when we are reporting 99221, do we change the Place Of Service (POS) designation to reflect the patient's status (ie, 99221 POS 21 for IP and 99221 POS 22 for OP)?To view the Official AMA answer and 1000s more like this:
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