What Does POS 11 Mean in Billing? POS 11 in medical billing is used to represent services delivered in a physician’s office setting. It distinguishes these services from those provided in hospitals, outpatient clinics, or other medical facilities. This code helps insurers understand the location of care, which directly affects how claims are processed and reimbursed. T... https://ezmdsolutions.com/pos-11-in-medical-billing/