The values of OPService in Alaska are defined as follows:

District of Columbia only submitted outpatient records with service values, 1,2 and 3. The full range of values of OPService in District of Columbia are in the table.

The values of OPService in Georgia are defined as follows:

Beginning in 2014, Iowa provides five separate indicators for the type of outpatient service. Because a patient can receive more than one type of outpatient service, the five indicators were concatenated to create a five-character value for the HCUP data element OPService. Each character is either 0 for no outpatient service of that type or 1 indicating that patient received that type of service. See the table below for a description of each type of outpatient service. For example, the OPservice value of "10000" means the patient received care in the emergency room, but none of the other four types of outpatient services. The OPservice value of "10100" means the patient received both emergency and observation services.

The values of OPService in Kansas are defined as follows:

The values of OPService in Kentucky are defined as follows:

OPService is no longer available starting in 2015.

Beginning with 2016 data, Maine submits a single digit Category of Location of Service code that is used for OPSERVICE. The data value is followed by a 2-digit UB04-defined Place of Service Code (01-99). Beginning with 2018 data the Location of Service code is only populated for populated for physicians/physician practices and can be blank when Place of Service (OP4006) is not populated with codes 11, 17, 20, 22, 49, 50, 71, 72.

The definitions for the leading Category of Location of Service code is as follows:

Each value of this data element indicates below:

From 2007 - 2011, MD SASD included the records associated with OPSERVICE = 05, 80, or 81. This inclusion resulted in increasing the total record count in 2007: 2,002,783 in 2007 and 980,422 in 2006.

Minnesota provides four separate indicators for the type of outpatient service. Beginning with 2017 data, these flags are used to create OPService. Because a patient can receive more than one type of outpatient service, the four indicators were concatenated to create a four-character value for the HCUP data element OPService. Each character is either 0 for no outpatient service of that type or 1 indicating that patient received that type of service. See the table below for a description of each type of outpatient service. For example, the OPservice value of "1000" means the patient received care in the emergency room, but none of the other four types of outpatient services. The OPservice value of "1010" means the patient received both emergency and observation services.

The values of OPService in Missouri are defined as follows:

Beginning in 2013, South Dakota provides five separate indicators for the type of outpatient service. Because a patient can receive more than one type of outpatient service, the five indicators were concatenated to create a five-character value for the HCUP data element OPService. Each character is either 0 for no outpatient service of that type or 1 indicating that patient received that type of service. See the table below for a description of each type of outpatient service. For example, the OPservice value of "10000" means the patient received care in the emergency room, but none of the other four types of outpatient services. The OPservice value of "10100" means the patient received both emergency and observation services.

Beginning in 2017, Vermont supplied place of service codes: