21Facility

Inpatient Hospital

A facility, other than psychiatric, which primarily provides diagnostic, therapeutic (both surgical and nonsurgical), and rehabilitation services by, or under, the supervision of physicians to patients admitted for a variety of medical conditions.

Frequently asked questions

What is Place of Service code 21?

POS 21 is "Inpatient Hospital" — A facility, other than psychiatric, which primarily provides diagnostic, therapeutic (both surgical and nonsurgical), and rehabilitation services by, or under, the supervision of physicians to patients admitted for a variety of medical conditions.

Is POS 21 facility or non-facility?

POS 21 (Inpatient Hospital) is a facility code. Medicare pays the lower facility rate on the physician fee schedule for services billed with this POS code.

Other Place of Service codes

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POS codes from CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.