This case-sensitive code system http://hl7.org/fhir/us/cdmh/CodeSystem/pcornet-location-code defines the following codes:

Code	Display	Definition
AF	Adult Foster Home	Location is Adult Foster Home.
AL	Assisted Living Facility	Location is Assisted Living Facility.
AV	Ambulatory Visit	Location is Ambulatory Visit.
ED	Emergency Department	Location is Emergency Department.
ES	Emergency Medical Service	Location is Emergency Medical Service.
AM	Against Medical Advice	Location is Against Medical Advice.
AW	Absent without leave	Location is Absent without leave.
EX	Expired	Location is Expired.
HH	Home Health	Location is Home Health
HO	Home/Self Care	Location is Home/Self Care.
HS	Hospice	Location is Hospice.
IP	Other Acute Inpatient Hospital	Location is Other Acute Inpatient Hospital.
NH	Nursing Home (Includes ICF)	Location is Nursing Home (Includes ICF).
RH	Rehabilitation Facility	Location is Rehabilitation Facility.
RS	Residential Facility	Location is Residential Facility.
SH	Still In Hospital	Location is Still In Hospital.
SN	Skilled Nursing Facility	Location is Skilled Nursing Facility.
IH	Intra-hospital	Location is Intra-hospital.
NI	No information	Location is No information.
UN	Unknown	Location is Unknown.
OT	Other	Location is Other.