Skip to main content

Hospital Discharge & Outpatient/ASC Surgery Data

The Discharge program collects 4 types of discharge data:

  1. Inpatient discharges from hospitals
  2. Outpatient surgery discharges from hospitals
  3. Outpatient surgery discharges from free-standing ambulatory surgery centers (ASC) 
  4. Emergency room discharges.

Discharge data are collected in accordance with the Oklahoma Health Care Information System Act, defined in 63 O.S. (Supp. 1994) § 1-115 et seq. Oklahoma state licensed hospitals and ASCs are required to submit specific data related to patient discharges from their facilities. Data related to patient demographics, diagnoses, procedures, disposition and charges are reported. All discharge data furnished to the Division of Health Care Information are considered confidential under state law and are not public records as defined by the Open Records Act, Title 51§ 24A.1 et seq.

Inpatient Discharge Data

Acute care hospitals are required to submit data on all inpatient discharges for a calendar year by March 1st of the following year. The Division of Health Care Information uses the UB04 billing format to collect inpatient discharge data. For each single inpatient hospital stay, a single discharge data record should be submitted. Discharge records should be submitted for persons discharged from all hospital beds, including acute medical/surgical care, swing, rehabilitation, psychiatric, and skilled nursing beds.

Hospital Outpatient Surgery Discharge Data

Acute care hospitals that perform outpatient surgeries are required to submit all outpatient surgery discharges for a calendar year by March 1st of the following year. The surgeries that are required by the state are defined in the corresponding year's submission manual. Hospitals use the UB04 format to collect data on hospital outpatient surgery.

Free-Standing Ambulatory Surgery Discharge Data

All licensed free-standing ambulatory surgery centers are required to send in data on their outpatient surgery discharges for a calendar year by March 1st of the following year. The CMS1500 format is used to collect the data.

Emergency Room Discharge Data

All licensed facilities with emergency rooms are required to submit data regarding all emergency room discharges for a calendar year by February 15th of the following year. Required emergency room discharge data are defined in the corresponding year’s submission manual.


Contact Information

Mailing Address:
Oklahoma State Department of Health
Center for Health Statistics
123 Robert S. Kerr. Ave., Suite 1702
Oklahoma City, OK 73102-6406

Physical Address:
Oklahoma State Department of Health
Center for Health Statistics
123 Robert S. Kerr Ave.
Oklahoma City, OK

Phone: (405) 426-8030
Fax: (405) 900-7604

Back to Top