| | Healthcare Industry | HMOs is the abbreviation for per OS which means? Per Os is a Latin abbreviation that means "by mouth". It is used in medicine to indicate that a medication or other substance is to be taken orally. Per os is sometimes abbreviated as PO. HMOs - Related Articles How to Get Health Insurance If Self-Employed in Indiana? How to Apply for Medical Insurance List of Mandated HMO Benefits in Florida Definition of HMO What Are the Benefits of an HMO? Can you use and AED on someone with a VNS? What does the medical abbreviation eos mean?
